diff --git a/node/CHANGELOG.md b/node/CHANGELOG.md
index 2e79dd0c6..923479093 100644
--- a/node/CHANGELOG.md
+++ b/node/CHANGELOG.md
@@ -49,6 +49,11 @@ Backported from ver.`3.4.0`:
 
 - Add `getBoolFeatureFlag` [#936](https://github.com/microsoft/azure-pipelines-task-lib/pull/936)
 
+
 ## 4.5.0
 
 - Added `execAsync` methods that return native promises. Marked `exec` methods that return promises from the Q library as deprecated [#905](https://github.com/microsoft/azure-pipelines-task-lib/pull/905)
+
+## 4.6.0
+
+- Replaced deprecated "sync-request" lib and Added new Async methods - [#932](https://github.com/microsoft/azure-pipelines-task-lib/pull/932)
\ No newline at end of file
diff --git a/node/ThirdPartyNotice.txt b/node/ThirdPartyNotice.txt
index ddde2acda..7c6354f41 100644
--- a/node/ThirdPartyNotice.txt
+++ b/node/ThirdPartyNotice.txt
@@ -36,7 +36,7 @@ This Azure Pipelines extension (azure-pipelines-task-lib) is based on or incorpo
 30.	semver (git+https://github.com/npm/node-semver.git)
 31.	shelljs (git://github.com/arturadib/shelljs.git)
 32.	string_decoder (git://github.com/rvagg/string_decoder.git)
-33.	sync-request (git+https://github.com/ForbesLindesay/sync-request.git)
+33.	nodejs-file-downloader (git://github.com/ibrod83/nodejs-file-downloader.git)
 34.	then-request (git+https://github.com/then/then-request.git)
 35.	typedarray (git://github.com/substack/typedarray.git)
 36.	typescript (git+https://github.com/Microsoft/TypeScript.git)
@@ -889,7 +889,8 @@ IN THE SOFTWARE.
 =========================================
 END OF string_decoder NOTICES, INFORMATION, AND LICENSE
 
-%% sync-request NOTICES, INFORMATION, AND LICENSE BEGIN HERE
+
+%% nodejs-file-downloader NOTICES, INFORMATION, AND LICENSE BEGIN HERE
 =========================================
 Copyright (c) 2014 Forbes Lindesay
 
@@ -911,7 +912,8 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 =========================================
-END OF sync-request NOTICES, INFORMATION, AND LICENSE
+END OF nodejs-file-downloader NOTICES, INFORMATION, AND LICENSE
+
 
 %% then-request NOTICES, INFORMATION, AND LICENSE BEGIN HERE
 =========================================
diff --git a/node/buildutils.js b/node/buildutils.js
index 1ecd94bbe..8ad304474 100644
--- a/node/buildutils.js
+++ b/node/buildutils.js
@@ -4,12 +4,14 @@ var fs = require('fs');
 var os = require('os');
 var path = require('path');
 var process = require('process');
-var syncRequest = require('sync-request');
+var admZip = require('adm-zip');
+var deasync = require('deasync')
+const Downloader = require("nodejs-file-downloader");
 
 var downloadPath = path.join(__dirname, '_download');
 var testPath = path.join(__dirname, '_test');
 
-exports.run = function(cl) {
+exports.run = function (cl) {
     console.log('> ' + cl);
     var rc = exec(cl).code;
     if (rc !== 0) {
@@ -19,7 +21,9 @@ exports.run = function(cl) {
 }
 var run = exports.run;
 
-exports.getExternals = function () {
+
+
+const getExternalsAsync = async () => {
     if (process.env['TF_BUILD']) {
         // skip adding node 5.10.1 to the PATH. the CI definition tests against node 5 and 6.
         return;
@@ -38,16 +42,16 @@ exports.getExternals = function () {
     var nodeVersion = 'v16.13.0';
     switch (platform) {
         case 'darwin':
-            var nodeArchivePath = downloadArchive(nodeUrl + '/' + nodeVersion + '/node-' + nodeVersion + '-darwin-x64.tar.gz');
+            var nodeArchivePath = await downloadArchiveAsync(nodeUrl + '/' + nodeVersion + '/node-' + nodeVersion + '-darwin-x64.tar.gz');
             addPath(path.join(nodeArchivePath, 'node-' + nodeVersion + '-darwin-x64', 'bin'));
             break;
         case 'linux':
-            var nodeArchivePath = downloadArchive(nodeUrl + '/' + nodeVersion + '/node-' + nodeVersion + '-linux-x64.tar.gz');
+            var nodeArchivePath = await downloadArchiveAsync(nodeUrl + '/' + nodeVersion + '/node-' + nodeVersion + '-linux-x64.tar.gz');
             addPath(path.join(nodeArchivePath, 'node-' + nodeVersion + '-linux-x64', 'bin'));
             break;
         case 'win32':
-            var nodeExePath = downloadFile(nodeUrl + '/' + nodeVersion + '/win-x64/node.exe');
-            var nodeLibPath = downloadFile(nodeUrl + '/' + nodeVersion + '/win-x64/node.lib');
+            var nodeExePath = await downloadFileAsync(nodeUrl + '/' + nodeVersion + '/win-x64/node.exe');
+            var nodeLibPath = await downloadFileAsync(nodeUrl + '/' + nodeVersion + '/win-x64/node.lib');
             var nodeDirectory = path.join(testPath, 'node');
             mkdir('-p', nodeDirectory);
             cp(nodeExePath, path.join(nodeDirectory, 'node.exe'));
@@ -57,83 +61,97 @@ exports.getExternals = function () {
     }
 }
 
-var downloadFile = function (url) {
+exports.getExternalsAsync = getExternalsAsync
+
+
+
+/**
+* @deprecated This method uses library which is not prefered to use on production
+ */
+exports.getExternals = function () {
+    var result = false;
+    getExternalsAsync().then(t => result = true);
+    deasync.loopWhile(function () { return !result });
+    return result;
+}
+
+
+var downloadFileAsync = async function (url, fileName) {
     // validate parameters
     if (!url) {
         throw new Error('Parameter "url" must be set.');
     }
 
-    // short-circuit if already downloaded
+    // skip if already downloaded
     var scrubbedUrl = url.replace(/[/\:?]/g, '_');
-    var targetPath = path.join(downloadPath, 'file', scrubbedUrl);
+    if (fileName == undefined) {
+        fileName = scrubbedUrl;
+    }
+    var targetPath = path.join(downloadPath, 'file', fileName);
     var marker = targetPath + '.completed';
-    if (!test('-f', marker)) {
-        console.log('Downloading file: ' + url);
+    if (test('-f', marker)) {
+        console.log('File already exists: ' + targetPath);
+        return targetPath;
+    }
 
-        // delete any previous partial attempt
-        if (test('-f', targetPath)) {
-            rm('-f', targetPath);
-        }
+    console.log('Downloading file: ' + url);
+    // delete any previous partial attempt
+    if (test('-f', targetPath)) {
+        rm('-f', targetPath);
+    }
 
-        // download the file
-        mkdir('-p', path.join(downloadPath, 'file'));
-        var result = syncRequest('GET', url);
-        fs.writeFileSync(targetPath, result.getBody());
+    // download the file
+    mkdir('-p', path.join(downloadPath, 'file'));
 
-        // write the completed marker
-        fs.writeFileSync(marker, '');
-    }
+    const downloader = new Downloader({
+        url: url,
+        directory: path.join(downloadPath, 'file'),
+        fileName: fileName
+    });
 
-    return targetPath;
-}
+    const { fileName: downloadedFileName } = await downloader.download(); // Downloader.download() resolves with some useful properties.
+    fs.writeFileSync(marker, '');
+    return downloadedFileName;
 
-var downloadArchive = function (url) {
-    // validate platform
-    var platform = os.platform();
-    if (platform != 'darwin' && platform != 'linux') {
-        throw new Error('Unexpected platform: ' + platform);
-    }
+};
 
-    // validate parameters
+
+var downloadArchiveAsync = async function (url, fileName) {
     if (!url) {
         throw new Error('Parameter "url" must be set.');
     }
 
-    if (!url.match(/\.tar\.gz$/)) {
-        throw new Error('Expected .tar.gz');
+    // skip if already downloaded and extracted
+    var scrubbedUrl = url.replace(/[\/\\:?]/g, '_');
+    if (fileName != undefined) {
+        scrubbedUrl = fileName;
     }
-
-    // short-circuit if already downloaded and extracted
-    var scrubbedUrl = url.replace(/[/\:?]/g, '_');
     var targetPath = path.join(downloadPath, 'archive', scrubbedUrl);
     var marker = targetPath + '.completed';
-    if (!test('-f', marker)) {
-        // download the archive
-        var archivePath = downloadFile(url);
-        console.log('Extracting archive: ' + url);
-
-        // delete any previously attempted extraction directory
-        if (test('-d', targetPath)) {
-            rm('-rf', targetPath);
-        }
-
-        // extract
-        mkdir('-p', targetPath);
-        var cwd = process.cwd();
-        process.chdir(targetPath);
-        try {
-            run('tar -xzf "' + archivePath + '"');
-        }
-        finally {
-            process.chdir(cwd);
-        }
-
-        // write the completed marker
-        fs.writeFileSync(marker, '');
+    if (test('-f', marker)) {
+        return targetPath;
     }
+    
+    // download the archive
+    var archivePath = await downloadFileAsync(url, scrubbedUrl);
+    console.log('Extracting archive: ' + url);
+
+    // delete any previously attempted extraction directory
+    if (test('-d', targetPath)) {
+        rm('-rf', targetPath);
+    }
+
+    // extract
+    mkdir('-p', targetPath);
+    var zip = new admZip(archivePath);
+    zip.extractAllTo(targetPath);
+
+    // write the completed marker
+    fs.writeFileSync(marker, '');
 
     return targetPath;
-}
+};
+
 
 var addPath = function (directory) {
     var separator;
diff --git a/node/mock-test.ts b/node/mock-test.ts
index 4d973387e..6140e2413 100644
--- a/node/mock-test.ts
+++ b/node/mock-test.ts
@@ -5,17 +5,22 @@ import os = require('os');
 import path = require('path');
 import cmdm = require('./taskcommand');
 import shelljs = require('shelljs');
-import syncRequest from 'sync-request';
+import deasync = require('deasync')
+const Downloader = require("nodejs-file-downloader");
 
 const COMMAND_TAG = '[command]';
 const COMMAND_LENGTH = COMMAND_TAG.length;
 const downloadDirectory = path.join(process.env.HOME || process.env.HOMEPATH || process.env.USERPROFILE as string, 'azure-pipelines-task-lib', '_download');
 
 export class MockTestRunner {
-    constructor(testPath: string, taskJsonPath?: string) {
+
+    constructor(testPath?: string, taskJsonPath?: string) {
+        if (testPath === undefined)
+            return;
+
         this._taskJsonPath = taskJsonPath || '';
         this._testPath = testPath;
-        this.nodePath = this.getNodePath();
+        this.nodePath = this.getNodePathSync();
     }
 
     private _testPath = '';
@@ -29,6 +34,19 @@ export class MockTestRunner {
     public errorIssues: string[] = [];
     public warningIssues: string[] = [];
 
+    public async LoadAsync(testPath: string, taskJsonPath?: string): Promise<MockTestRunner> {
+        return new Promise(async (resolve, reject) => {
+            if (this.nodePath != '') {
+                resolve(this);
+                return;
+            }
+            this._taskJsonPath = taskJsonPath || '';
+            this._testPath = testPath;
+            this.nodePath = await this.getNodePath();
+            resolve(this)
+        })
+    }
+
     get failed(): boolean {
         return !this.succeeded;
     }
@@ -53,7 +71,7 @@ export class MockTestRunner {
         return this.stderr.indexOf(message) > 0;
     }
 
-    public run(nodeVersion?: number): void {
+    public async runAsync(nodeVersion?: number): Promise<void> {
         this.cmdlines = {};
         this.invokedToolCount = 0;
         this.succeeded = true;
@@ -63,15 +81,15 @@ export class MockTestRunner {
 
         let nodePath = this.nodePath;
         if (nodeVersion) {
-            nodePath = this.getNodePath(nodeVersion);
+            nodePath = await this.getNodePath(nodeVersion);
         }
         let spawn = cp.spawnSync(nodePath, [this._testPath]);
 
         // Clean environment
         Object.keys(process.env)
             .filter(key => (key.substr(0, 'INPUT_'.length) === 'INPUT_' ||
-                            key.substr(0, 'SECRET_'.length) === 'SECRET_' ||
-                            key.substr(0, 'VSTS_TASKVARIABLE_'.length) === 'VSTS_TASKVARIABLE_'))
+                key.substr(0, 'SECRET_'.length) === 'SECRET_' ||
+                key.substr(0, 'VSTS_TASKVARIABLE_'.length) === 'VSTS_TASKVARIABLE_'))
             .forEach(key => delete process.env[key]);
 
         if (spawn.error) {
@@ -137,8 +155,17 @@ export class MockTestRunner {
         }
     }
 
+    /**
+    * @deprecated This method uses library which is not prefered to use on production
+    */
+    public run(nodeVersion?: number): void {
+        let completeExecution = false;
+        this.runAsync(nodeVersion).then(t => completeExecution = true)
+        deasync.loopWhile(function () { return !completeExecution })
+    }
+
     // Returns a path to node.exe with the correct version for this task (based on if its node10 or node)
-    private getNodePath(nodeVersion?: number): string {
+    private async getNodePath(nodeVersion?: number): Promise<string> {
         const version: number = nodeVersion || this.getNodeVersion();
 
         let downloadVersion: string;
@@ -163,10 +190,18 @@ export class MockTestRunner {
             return pathToExe;
         }
         else {
-            return this.downloadNode(downloadVersion, downloadDestination);
+            const result = await this.downloadNode(downloadVersion, downloadDestination);
+            return result;
         }
     }
 
+    private getNodePathSync(nodeVersion?: number): string {
+        let nodePath = ''
+        this.getNodePath(nodeVersion).then(t => nodePath = t);
+        deasync.loopWhile(function () { return nodePath == ''; });
+        return nodePath
+    }
+
     // Determines the correct version of node to use based on the contents of the task's task.json. Defaults to Node 16.
     private getNodeVersion(): number {
         const taskJsonPath: string = this.getTaskJsonPath();
@@ -224,36 +259,34 @@ export class MockTestRunner {
     }
 
     // Downloads the specified node version to the download destination. Returns a path to node.exe
-    private downloadNode(nodeVersion: string, downloadDestination: string): string {
+    private async downloadNode(nodeVersion: string, downloadDestination: string): Promise<string> {
         shelljs.rm('-rf', downloadDestination);
         let nodeUrl: string = process.env['TASK_NODE_URL'] || 'https://nodejs.org/dist';
         nodeUrl = nodeUrl.replace(/\/$/, '');  // ensure there is no trailing slash on the base URL
         let downloadPath = '';
         switch (this.getPlatform()) {
             case 'darwin':
-                this.downloadTarGz(nodeUrl + '/' + nodeVersion + '/node-' + nodeVersion + '-darwin-x64.tar.gz', downloadDestination);
+                await this.downloadTarGz(nodeUrl + '/' + nodeVersion + '/node-' + nodeVersion + '-darwin-x64.tar.gz', downloadDestination);
                 downloadPath = path.join(downloadDestination, 'node-' + nodeVersion + '-darwin-x64', 'bin', 'node');
                 break;
             case 'linux':
-                this.downloadTarGz(nodeUrl + '/' + nodeVersion + '/node-' + nodeVersion + '-linux-x64.tar.gz', downloadDestination);
+                await this.downloadTarGz(nodeUrl + '/' + nodeVersion + '/node-' + nodeVersion + '-linux-x64.tar.gz', downloadDestination);
                 downloadPath = path.join(downloadDestination, 'node-' + nodeVersion + '-linux-x64', 'bin', 'node');
                 break;
             case 'win32':
-                this.downloadFile(nodeUrl + '/' + nodeVersion + '/win-x64/node.exe', downloadDestination, 'node.exe');
-                this.downloadFile(nodeUrl + '/' + nodeVersion + '/win-x64/node.lib', downloadDestination, 'node.lib');
+                await this.downloadFile(nodeUrl + '/' + nodeVersion + '/win-x64/node.exe', downloadDestination, 'node.exe');
+                await this.downloadFile(nodeUrl + '/' + nodeVersion + '/win-x64/node.lib', downloadDestination, 'node.lib');
                 downloadPath = path.join(downloadDestination, 'node.exe')
         }
 
         // Write marker to indicate download completed.
         const marker = downloadDestination + '.completed';
         fs.writeFileSync(marker, '');
-
-        return downloadPath;
+        return downloadPath
     }
 
     // Downloads file to the downloadDestination, making any necessary folders along the way.
-    private downloadFile(url: string, downloadDestination: string, fileName: string): void {
-        const filePath: string = path.join(downloadDestination, fileName);
+    private async downloadFile(url: string, downloadDestination: string, fileName: string): Promise<void> {
         if (!url) {
             throw new Error('Parameter "url" must be set.');
         }
@@ -262,12 +295,19 @@ export class MockTestRunner {
         }
         console.log('Downloading file:', url);
         shelljs.mkdir('-p', downloadDestination);
-        const result: any = syncRequest('GET', url);
-        fs.writeFileSync(filePath, result.getBody());
+
+        const downloader = new Downloader({
+            url: url,
+            directory: downloadDestination,
+            fileName: fileName
+        });
+
+        await downloader.download();
+        return;
     }
 
     // Downloads tarGz to the download destination, making any necessary folders along the way.
-    private downloadTarGz(url: string, downloadDestination: string): void {
+    private async downloadTarGz(url: string, downloadDestination: string): Promise<void> {
         if (!url) {
             throw new Error('Parameter "url" must be set.');
         }
@@ -275,7 +315,7 @@ export class MockTestRunner {
             throw new Error('Parameter "downloadDestination" must be set.');
         }
         const tarGzName: string = 'node.tar.gz';
-        this.downloadFile(url, downloadDestination, tarGzName);
+        await this.downloadFile(url, downloadDestination, tarGzName);
 
         // Extract file
         const originalCwd: string = process.cwd();
diff --git a/node/package-lock.json b/node/package-lock.json
index 21cad67f2..0af6c678f 100644
--- a/node/package-lock.json
+++ b/node/package-lock.json
@@ -1,25 +1,9 @@
 {
   "name": "azure-pipelines-task-lib",
-  "version": "4.5.0",
+  "version": "4.6.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "@types/concat-stream": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/@types/concat-stream/-/concat-stream-1.6.0.tgz",
-      "integrity": "sha1-OU2+C7X+5Gs42JZzXoto7yOQ0A0=",
-      "requires": {
-        "@types/node": "*"
-      }
-    },
-    "@types/form-data": {
-      "version": "0.0.33",
-      "resolved": "https://registry.npmjs.org/@types/form-data/-/form-data-0.0.33.tgz",
-      "integrity": "sha1-yayFsqX9GENbjIXZ7LUObWyJP/g=",
-      "requires": {
-        "@types/node": "*"
-      }
-    },
     "@types/glob": {
       "version": "7.1.3",
       "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.3.tgz",
@@ -49,9 +33,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "10.17.60",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.17.60.tgz",
-      "integrity": "sha512-F0KIgDJfy2nA3zMLmWGKxcH2ZVEtCZXHHdOQs2gSaQ27+lNeEfGxzkIw90aXswATX7AZ33tahPbzy6KAfUreVw=="
+      "version": "16.11.39",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.39.tgz",
+      "integrity": "sha512-K0MsdV42vPwm9L6UwhIxMAOmcvH/1OoVkZyCgEtVu4Wx7sElGloy/W7kMBNe/oJ7V/jW9BVt1F6RahH6e7tPXw=="
     },
     "@types/q": {
       "version": "1.5.4",
@@ -59,11 +43,6 @@
       "integrity": "sha512-1HcDas8SEj4z1Wc696tH56G8OlRaH/sqZOynNNB+HF0WOeXPaxTtbYzJY2oEfiUxjSKjhCKr+MvR7dCHcEelug==",
       "dev": true
     },
-    "@types/qs": {
-      "version": "6.9.5",
-      "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.9.5.tgz",
-      "integrity": "sha512-/JHkVHtx/REVG0VVToGRGH2+23hsYLHdyG+GrvoUGlGAd0ErauXDyvHtRI/7H7mzLm+tBCKA7pfcpkQ1lf58iQ=="
-    },
     "@types/semver": {
       "version": "7.3.4",
       "resolved": "https://registry.npmjs.org/@types/semver/-/semver-7.3.4.tgz",
@@ -86,6 +65,19 @@
       "integrity": "sha512-sL/cEvJWAnClXw0wHk85/2L0G6Sj8UB0Ctc1TEMbKSsmpRosqhwj9gWgFRZSrBr2f9tiXISwNhCPmlfqUqyb9Q==",
       "dev": true
     },
+    "adm-zip": {
+      "version": "0.5.10",
+      "resolved": "https://registry.npmjs.org/adm-zip/-/adm-zip-0.5.10.tgz",
+      "integrity": "sha512-x0HvcHqVJNTPk/Bw8JbLWlWoo6Wwnsug0fnYYro1HBrjxZ3G7/AZk7Ahv8JwDe1uIcz8eBqvu86FuF1POiG7vQ=="
+    },
+    "agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "requires": {
+        "debug": "4"
+      }
+    },
     "ansi-colors": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-4.1.1.tgz",
@@ -123,16 +115,6 @@
       "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
       "dev": true
     },
-    "asap": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
-      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
-    },
-    "asynckit": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
-    },
     "balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
@@ -144,6 +126,14 @@
       "integrity": "sha512-jDctJ/IVQbZoJykoeHbhXpOlNBqGNcwXJKJog42E5HDPUwQTSdjCHdihjj0DlnheQ7blbT6dHOafNAiS8ooQKA==",
       "dev": true
     },
+    "bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "requires": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -168,31 +158,12 @@
       "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==",
       "dev": true
     },
-    "buffer-from": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
-      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A=="
-    },
-    "call-bind": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
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       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
@@ -917,49 +786,6 @@
       "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
       "integrity": "sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w=="
     },
-    "sync-request": {
-      "version": "6.1.0",
-      "resolved": "https://registry.npmjs.org/sync-request/-/sync-request-6.1.0.tgz",
-      "integrity": "sha512-8fjNkrNlNCrVc/av+Jn+xxqfCjYaBoHqCsDz6mt030UMxJGr+GSfCV1dQt2gRtlL63+VPidwDVLr7V2OcTSdRw==",
-      "requires": {
-        "http-response-object": "^3.0.1",
-        "sync-rpc": "^1.2.1",
-        "then-request": "^6.0.0"
-      }
-    },
-    "sync-rpc": {
-      "version": "1.3.6",
-      "resolved": "https://registry.npmjs.org/sync-rpc/-/sync-rpc-1.3.6.tgz",
-      "integrity": "sha512-J8jTXuZzRlvU7HemDgHi3pGnh/rkoqR/OZSjhTyyZrEkkYQbk7Z33AXp37mkPfPpfdOuj7Ex3H/TJM1z48uPQw==",
-      "requires": {
-        "get-port": "^3.1.0"
-      }
-    },
-    "then-request": {
-      "version": "6.0.2",
-      "resolved": "https://registry.npmjs.org/then-request/-/then-request-6.0.2.tgz",
-      "integrity": "sha512-3ZBiG7JvP3wbDzA9iNY5zJQcHL4jn/0BWtXIkagfz7QgOL/LqjCEOBQuJNZfu0XYnv5JhKh+cDxCPM4ILrqruA==",
-      "requires": {
-        "@types/concat-stream": "^1.6.0",
-        "@types/form-data": "0.0.33",
-        "@types/node": "^8.0.0",
-        "@types/qs": "^6.2.31",
-        "caseless": "~0.12.0",
-        "concat-stream": "^1.6.0",
-        "form-data": "^2.2.0",
-        "http-basic": "^8.1.1",
-        "http-response-object": "^3.0.1",
-        "promise": "^8.0.0",
-        "qs": "^6.4.0"
-      },
-      "dependencies": {
-        "@types/node": {
-          "version": "8.10.64",
-          "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.64.tgz",
-          "integrity": "sha512-/EwBIb+imu8Qi/A3NF9sJ9iuKo7yV+pryqjmeRqaU0C4wBAOhas5mdvoYeJ5PCKrh6thRSJHdoasFqh3BQGILA=="
-        }
-      }
-    },
     "to-regex-range": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
@@ -969,10 +795,13 @@
         "is-number": "^7.0.0"
       }
     },
-    "typedarray": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
+    "truncate-utf8-bytes": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/truncate-utf8-bytes/-/truncate-utf8-bytes-1.0.2.tgz",
+      "integrity": "sha512-95Pu1QXQvruGEhv62XCMO3Mm90GscOCClvrIUwCM0PYOXK3kaF3l3sIHxx71ThJfcbM2O5Au6SO3AWCSEfW4mQ==",
+      "requires": {
+        "utf8-byte-length": "^1.0.1"
+      }
     },
     "typescript": {
       "version": "4.0.2",
@@ -980,10 +809,10 @@
       "integrity": "sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==",
       "dev": true
     },
-    "util-deprecate": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    "utf8-byte-length": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/utf8-byte-length/-/utf8-byte-length-1.0.4.tgz",
+      "integrity": "sha512-4+wkEYLBbWxqTahEsWrhxepcoVOJ+1z5PGIjPZxRkytcdSUaNjIjBM7Xn8E+pdSuV7SzvWovBFA54FO0JSoqhA=="
     },
     "uuid": {
       "version": "3.2.1",
diff --git a/node/package.json b/node/package.json
index cf32c9e09..12889f3de 100644
--- a/node/package.json
+++ b/node/package.json
@@ -1,6 +1,6 @@
 {
   "name": "azure-pipelines-task-lib",
-  "version": "4.5.0",
+  "version": "4.6.0",
   "description": "Azure Pipelines Task SDK",
   "main": "./task.js",
   "typings": "./task.d.ts",
@@ -27,12 +27,14 @@
   },
   "homepage": "https://github.com/Microsoft/azure-pipelines-task-lib",
   "dependencies": {
+    "adm-zip": "^0.5.10",
+    "deasync": "^0.1.28",
     "minimatch": "3.0.5",
     "mockery": "^2.1.0",
+    "nodejs-file-downloader": "^4.11.1",
     "q": "^1.5.1",
     "semver": "^5.1.0",
     "shelljs": "^0.8.5",
-    "sync-request": "6.1.0",
     "uuid": "^3.0.1"
   },
   "devDependencies": {
diff --git a/node/test/mocktests.ts b/node/test/mocktests.ts
index 6c8e44095..2df407ec4 100644
--- a/node/test/mocktests.ts
+++ b/node/test/mocktests.ts
@@ -327,4 +327,14 @@ describe('Mock Tests', function () {
         assert(semver.satisfies(version, '16.x'), 'Downloaded node version should be Node 16 instead of ' + version);
         done();
     })
+
+    it('MockTest handles node tasks correctly by async call', async () => {
+        this.timeout(30000);
+        const runner = await (new mtm.MockTestRunner).LoadAsync(path.join(__dirname, 'fakeTasks', 'node16task', 'entry.js'));
+        const nodePath = runner.nodePath;
+        assert(nodePath, 'node path should have been correctly set');
+        const version = ncp.execSync(nodePath + ' -v').toString().trim();
+        assert(semver.satisfies(version, '16.x'), 'Downloaded node version should be Node 16 instead of ' + version);
+        await Promise.resolve()
+    })
 });
diff --git a/powershell/Docs/ReleaseNotes.md b/powershell/Docs/ReleaseNotes.md
index bd2d3774c..fc18857f1 100644
--- a/powershell/Docs/ReleaseNotes.md
+++ b/powershell/Docs/ReleaseNotes.md
@@ -1,5 +1,8 @@
 # Release Notes
 
+## 0.16.0
+* Replaced deprecated "sync-request" libraryr and Added new async methods for DownloadArchive
+
 ## 0.15.0
 * Removed the `Q` library
 
diff --git a/powershell/make-util.js b/powershell/make-util.js
index aac7268c9..d1669d869 100644
--- a/powershell/make-util.js
+++ b/powershell/make-util.js
@@ -1,11 +1,11 @@
-
 var admZip = require('adm-zip');
 var child_process = require('child_process');
 var fs = require('fs');
 var path = require('path');
 var process = require('process');
 var shell = require('shelljs');
-var syncRequest = require('sync-request');
+var deasync = require("deasync")
+const Downloader = require("nodejs-file-downloader");
 
 // global paths
 var downloadPath = path.join(__dirname, '_download');
@@ -112,65 +112,105 @@ var ensureTool = function (name, versionArgs, validate) {
 }
 exports.ensureTool = ensureTool;
 
-var downloadFile = function (url) {
+const downloadFileAsync = async function (url, fileName) {
     // validate parameters
     if (!url) {
         throw new Error('Parameter "url" must be set.');
     }
 
     // skip if already downloaded
-    var scrubbedUrl = url.replace(/[/\:?]/g, '_');
-    var targetPath = path.join(downloadPath, 'file', scrubbedUrl);
-    var marker = targetPath + '.completed';
-    if (!test('-f', marker)) {
-        console.log('Downloading file: ' + url);
+    const scrubbedUrl = url.replace(/[/\:?]/g, '_');
+    if (fileName == undefined)
+        fileName = scrubbedUrl;
+    const targetPath = path.join(downloadPath, 'file', fileName);
+    const marker = targetPath + '.completed';
+    if (test('-f', marker)) {
+        console.log('File already exists: ' + targetPath);
+        return targetPath;
+    }
 
-        // delete any previous partial attempt
-        if (test('-f', targetPath)) {
-            rm('-f', targetPath);
-        }
+    console.log('Downloading file: ' + url);
+    // delete any previous partial attempt
+    if (test('-f', targetPath)) {
+        rm('-f', targetPath);
+    }
+
+    // download the file
+    mkdir('-p', path.join(downloadPath, 'file'));
 
-        // download the file
-        mkdir('-p', path.join(downloadPath, 'file'));
-        var result = syncRequest('GET', url);
-        fs.writeFileSync(targetPath, result.getBody());
+    const downloader = new Downloader({
+        url: url,
+        directory: path.join(downloadPath, 'file'),
+        fileName: fileName
+    });
 
-        // write the completed marker
+
+        const { fileName } = await downloader.download(); // Downloader.download() resolves with some useful properties.
         fs.writeFileSync(marker, '');
-    }
+        return fileName;
+};
 
-    return targetPath;
+exports.downloadFileAsync = downloadFileAsync;
+
+
+var downloadFile = function (url, fileName) {
+    var result;
+    downloadFileAsync(url, fileName).then(t => result = t);
+    deasync.loopWhile(function () { return result == undefined; });
+    return result;
 }
-exports.downloadFile = downloadFile;
 
-var downloadArchive = function (url) {
+/**
+ * @deprecated This method uses library which is not prefered to use on production
+ */
+exports.downloadFile = downloadFile
+var downloadArchiveAsync = async function (url, fileName) {
     if (!url) {
         throw new Error('Parameter "url" must be set.');
     }
 
     // skip if already downloaded and extracted
     var scrubbedUrl = url.replace(/[\/\\:?]/g, '_');
+    if (fileName != undefined) {
+        scrubbedUrl = fileName;
+    }
     var targetPath = path.join(downloadPath, 'archive', scrubbedUrl);
     var marker = targetPath + '.completed';
-    if (!test('-f', marker)) {
-        // download the archive
-        var archivePath = downloadFile(url);
-        console.log('Extracting archive: ' + url);
-
-        // delete any previously attempted extraction directory
-        if (test('-d', targetPath)) {
-            rm('-rf', targetPath);
-        }
+    if (test('-f', marker)) {
+        return targetPath;
+    }
 
-        // extract
-        mkdir('-p', targetPath);
-        var zip = new admZip(archivePath);
-        zip.extractAllTo(targetPath);
+    // download the archive
+    var archivePath = await downloadFileAsync(url, scrubbedUrl);
+    console.log('Extracting archive: ' + url);
 
-        // write the completed marker
-        fs.writeFileSync(marker, '');
+    // delete any previously attempted extraction directory
+    if (test('-d', targetPath)) {
+        rm('-rf', targetPath);
     }
 
+    // extract
+    mkdir('-p', targetPath);
+    var zip = new admZip(archivePath);
+    zip.extractAllTo(targetPath);
+
+    // write the completed marker
+    fs.writeFileSync(marker, '');
+
     return targetPath;
+};
+
+
+exports.downloadArchiveAsync = downloadArchiveAsync;
+
+var downloadArchive = function (url, fileName) {
+    var result;
+    downloadArchiveAsync(url, fileName).then(t => result = t);
+    deasync.loopWhile(function () { return result == undefined; });
+    return result;
 }
+
+/**
+ * @deprecated This method uses library which is not prefered to use on production
+ */
 exports.downloadArchive = downloadArchive;
diff --git a/powershell/package-lock.json b/powershell/package-lock.json
index 5712393fb..568c09e95 100644
--- a/powershell/package-lock.json
+++ b/powershell/package-lock.json
@@ -1,63 +1,616 @@
 {
   "name": "vsts-task-sdk",
-  "version": "0.14.0",
+  "version": "0.16.0",
   "lockfileVersion": 1,
   "requires": true,
-  "dependencies": {
-    "adm-zip": {
+  "packages": {
+    "": {
+      "name": "vsts-task-sdk",
+      "version": "0.13.0",
+      "license": "MIT",
+      "dependencies": {
+        "nodejs-file-downloader": "^4.11.1"
+      },
+      "devDependencies": {
+        "adm-zip": "^0.5.9",
+        "deasync": "^0.1.28",
+        "mocha": "5.2.0",
+        "q": "1.4.1",
+        "shelljs": "^0.8.5",
+        "typescript": "1.8.7"
+      }
+    },
+    "node_modules/adm-zip": {
       "version": "0.5.9",
       "resolved": "https://registry.npmjs.org/adm-zip/-/adm-zip-0.5.9.tgz",
       "integrity": "sha512-s+3fXLkeeLjZ2kLjCBwQufpI5fuN+kIGBxu6530nVQZGVol0d7Y/M88/xw9HGGUcJjKf8LutN3VPRUBq6N7Ajg==",
-      "dev": true
+      "dev": true,
+      "engines": {
+        "node": ">=6.0"
+      }
     },
-    "asap": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
-      "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY=",
-      "dev": true
+    "node_modules/agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "dependencies": {
+        "debug": "4"
+      },
+      "engines": {
+        "node": ">= 6.0.0"
+      }
     },
-    "balanced-match": {
+    "node_modules/agent-base/node_modules/debug": {
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+      "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
+      "dependencies": {
+        "ms": "2.1.2"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/agent-base/node_modules/ms": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+    },
+    "node_modules/balanced-match": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
       "dev": true
     },
-    "brace-expansion": {
+    "node_modules/bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "dev": true,
+      "dependencies": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
+    "node_modules/brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
       "dev": true,
-      "requires": {
+      "dependencies": {
         "balanced-match": "^1.0.0",
         "concat-map": "0.0.1"
       }
     },
-    "browser-stdout": {
+    "node_modules/browser-stdout": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/browser-stdout/-/browser-stdout-1.3.1.tgz",
       "integrity": "sha512-qhAVI1+Av2X7qelOfAIYwXONood6XlZE/fXaBSmW/T5SzLAmCgzi+eiWE7fUvbHaeNBQH13UftjpXxsfLkMpgw==",
       "dev": true
     },
-    "buffer-from": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
-      "integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==",
+    "node_modules/commander": {
+      "version": "2.15.1",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+      "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
+      "dev": true
+    },
+    "node_modules/concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "node_modules/deasync": {
+      "version": "0.1.28",
+      "resolved": "https://registry.npmjs.org/deasync/-/deasync-0.1.28.tgz",
+      "integrity": "sha512-QqLF6inIDwiATrfROIyQtwOQxjZuek13WRYZ7donU5wJPLoP67MnYxA6QtqdvdBy2mMqv5m3UefBVdJjvevOYg==",
+      "dev": true,
+      "hasInstallScript": true,
+      "dependencies": {
+        "bindings": "^1.5.0",
+        "node-addon-api": "^1.7.1"
+      },
+      "engines": {
+        "node": ">=0.11.0"
+      }
+    },
+    "node_modules/debug": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
+      "dev": true,
+      "dependencies": {
+        "ms": "2.0.0"
+      }
+    },
+    "node_modules/diff": {
+      "version": "3.5.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-3.5.0.tgz",
+      "integrity": "sha512-A46qtFgd+g7pDZinpnwiRJtxbC1hpgf0uzP3iG89scHk0AUC7A1TGxf5OiiOUv/JMZR8GOt8hL900hV0bOy5xA==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.3.1"
+      }
+    },
+    "node_modules/escape-string-regexp": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
+      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
+      "dev": true,
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    },
+    "node_modules/file-uri-to-path": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
+      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
+      "dev": true
+    },
+    "node_modules/follow-redirects": {
+      "version": "1.15.2",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.2.tgz",
+      "integrity": "sha512-VQLG33o04KaQ8uYi2tVNbdrWp1QWxNNea+nmIB4EVM28v0hmP17z7aG1+wAkNzVq4KeXTq3221ye5qTJP91JwA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/RubenVerborgh"
+        }
+      ],
+      "engines": {
+        "node": ">=4.0"
+      },
+      "peerDependenciesMeta": {
+        "debug": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
+    },
+    "node_modules/function-bind": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
+      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
+      "dev": true
+    },
+    "node_modules/glob": {
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
+      "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+      "dev": true,
+      "dependencies": {
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
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-      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
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+    "mime-db": {
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+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
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@@ -284,12 +837,23 @@
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+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-1.7.2.tgz",
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+    "nodejs-file-downloader": {
+      "version": "4.11.1",
+      "resolved": "https://registry.npmjs.org/nodejs-file-downloader/-/nodejs-file-downloader-4.11.1.tgz",
+      "integrity": "sha512-gSdNElTbRq+iFWcmT7URh9WlBIgVF/JM4UAiVr06/ou+ouEBUawsi/U2xFMK146XAuAoSAFfCh+ZrxxlZ0aV/w==",
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+        "https-proxy-agent": "^5.0.0",
+        "mime-types": "^2.1.27",
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@@ -370,11 +934,13 @@
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-      "dev": true
+    "sanitize-filename": {
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/sanitize-filename/-/sanitize-filename-1.6.3.tgz",
+      "integrity": "sha512-y/52Mcy7aw3gRm7IrcGDFx/bCk4AhRh2eI9luHOQM86nZsqwiRkkq2GekHXBBD+SmPidc8i2PqtYZl+pWJ8Oeg==",
+      "requires": {
+        "truncate-utf8-bytes": "^1.0.0"
+      }
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     "shelljs": {
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@@ -387,26 +953,6 @@
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-      "integrity": "sha1-ZnizL6DKIY/laZgbvYhxtZQGDYE=",
-      "dev": true,
+    "truncate-utf8-bytes": {
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+      "resolved": "https://registry.npmjs.org/truncate-utf8-bytes/-/truncate-utf8-bytes-1.0.2.tgz",
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-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
-      "dev": true
+    "utf8-byte-length": {
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diff --git a/powershell/package.json b/powershell/package.json
index cc6e8b226..12d51c8a5 100644
--- a/powershell/package.json
+++ b/powershell/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vsts-task-sdk",
-  "version": "0.15.0",
+  "version": "0.16.0",
   "description": "VSTS Task SDK",
   "scripts": {
     "build": "node make.js build",
@@ -24,9 +24,10 @@
   "homepage": "https://github.com/Microsoft/azure-pipelines-task-lib#readme",
   "devDependencies": {
     "adm-zip": "^0.5.9",
+    "deasync": "^0.1.28",
     "mocha": "5.2.0",
     "shelljs": "^0.8.5",
-    "sync-request": "3.0.1",
-    "typescript": "1.8.7"
+    "typescript": "1.8.7",
+    "nodejs-file-downloader": "^4.11.1"
   }
 }