diff --git a/package-lock.json b/package-lock.json
index bb11aa4..8198fd5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1297,14 +1297,24 @@
             }
         },
         "node_modules/caniuse-lite": {
-            "version": "1.0.30001271",
-            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001271.tgz",
-            "integrity": "sha512-BBruZFWmt3HFdVPS8kceTBIguKxu4f99n5JNp06OlPD/luoAMIaIK5ieV5YjnBLH3Nysai9sxj9rpJj4ZisXOA==",
+            "version": "1.0.30001579",
+            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001579.tgz",
+            "integrity": "sha512-u5AUVkixruKHJjw/pj9wISlcMpgFWzSrczLZbrqBSxukQixmg0SJ5sZTpvaFvxU0HoQKd4yoyAogyrAz9pzJnA==",
             "dev": true,
-            "funding": {
-                "type": "opencollective",
-                "url": "https://opencollective.com/browserslist"
-            }
+            "funding": [
+                {
+                    "type": "opencollective",
+                    "url": "https://opencollective.com/browserslist"
+                },
+                {
+                    "type": "tidelift",
+                    "url": "https://tidelift.com/funding/github/npm/caniuse-lite"
+                },
+                {
+                    "type": "github",
+                    "url": "https://github.com/sponsors/ai"
+                }
+            ]
         },
         "node_modules/caseless": {
             "version": "0.12.0",
@@ -5844,9 +5854,9 @@
             "dev": true
         },
         "caniuse-lite": {
-            "version": "1.0.30001271",
-            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001271.tgz",
-            "integrity": "sha512-BBruZFWmt3HFdVPS8kceTBIguKxu4f99n5JNp06OlPD/luoAMIaIK5ieV5YjnBLH3Nysai9sxj9rpJj4ZisXOA==",
+            "version": "1.0.30001579",
+            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001579.tgz",
+            "integrity": "sha512-u5AUVkixruKHJjw/pj9wISlcMpgFWzSrczLZbrqBSxukQixmg0SJ5sZTpvaFvxU0HoQKd4yoyAogyrAz9pzJnA==",
             "dev": true
         },
         "caseless": {
diff --git a/src/RokuDeploy.spec.ts b/src/RokuDeploy.spec.ts
index 0e0daea..43ef5c8 100644
--- a/src/RokuDeploy.spec.ts
+++ b/src/RokuDeploy.spec.ts
@@ -919,6 +919,34 @@ describe('index', () => {
             } catch (e) { }
         });
 
+        it('uses overridden route', async () => {
+            const stub = mockDoPostRequest();
+            await rokuDeploy.publish({
+                ...options,
+                packageUploadOverrides: {
+                    route: 'alt_path'
+                }
+            });
+            expect(stub.getCall(0).args[0].url).to.eql('http://0.0.0.0:80/alt_path');
+        });
+
+        it('overrides formData', async () => {
+            const stub = mockDoPostRequest();
+            await rokuDeploy.publish({
+                ...options,
+                remoteDebug: true,
+                packageUploadOverrides: {
+                    formData: {
+                        remotedebug: null,
+                        newfield: 'here'
+                    }
+                }
+            });
+            expect(stub.getCall(0).args[0].formData).to.include({
+                newfield: 'here'
+            }).and.to.not.haveOwnProperty('remotedebug');
+        });
+
         it('does not delete the archive by default', async () => {
             let zipPath = `${options.outDir}/${options.outFile}`;
 
@@ -2230,6 +2258,9 @@ describe('index', () => {
         it('rejects the promise when an error occurs', async () => {
             //zip path doesn't exist
             await assertThrowsAsync(async () => {
+                sinon.stub(fsExtra, 'outputFile').callsFake(() => {
+                    throw new Error();
+                });
                 await rokuDeploy.zipFolder('source', '.tmp/some/zip/path/that/does/not/exist');
             });
         });
diff --git a/src/RokuDeploy.ts b/src/RokuDeploy.ts
index 5468799..64e956b 100644
--- a/src/RokuDeploy.ts
+++ b/src/RokuDeploy.ts
@@ -142,7 +142,7 @@ export class RokuDeploy {
         if (options.incrementBuildNumber) {
             let timestamp = dateformat(new Date(), 'yymmddHHMM');
             parsedManifest.build_version = timestamp; //eslint-disable-line camelcase
-            await this.fsExtra.writeFile(manifestPath, this.stringifyManifest(parsedManifest));
+            await this.fsExtra.outputFile(manifestPath, this.stringifyManifest(parsedManifest));
         }
 
         if (beforeZipCallback) {
@@ -433,7 +433,9 @@ export class RokuDeploy {
                 readStream.on('open', resolve);
             });
 
-            let requestOptions = this.generateBaseRequestOptions('plugin_install', options, {
+            const route = options.packageUploadOverrides?.route ?? 'plugin_install';
+
+            let requestOptions = this.generateBaseRequestOptions(route, options, {
                 mysubmit: 'Replace',
                 archive: readStream
             });
@@ -449,6 +451,16 @@ export class RokuDeploy {
                 requestOptions.formData.remotedebug_connect_early = '1';
             }
 
+            //apply any supplied formData overrides
+            for (const key in options.packageUploadOverrides?.formData ?? {}) {
+                const value = options.packageUploadOverrides.formData[key];
+                if (value === undefined || value === null) {
+                    delete requestOptions.formData[key];
+                } else {
+                    requestOptions.formData[key] = value;
+                }
+            }
+
             //try to "replace" the channel first since that usually works.
             let response: HttpResponse;
             try {
@@ -985,7 +997,7 @@ export class RokuDeploy {
         options = this.getOptions(options);
 
         let zipFileName = options.outFile;
-        if (!zipFileName.toLowerCase().endsWith('.zip')) {
+        if (!zipFileName.toLowerCase().endsWith('.zip') && !zipFileName.toLowerCase().endsWith('.squashfs')) {
             zipFileName += '.zip';
         }
         let outFolderPath = path.resolve(options.outDir);
@@ -1170,7 +1182,7 @@ export class RokuDeploy {
         await Promise.all(promises);
         // level 2 compression seems to be the best balance between speed and file size. Speed matters more since most will be calling squashfs afterwards.
         const content = await zip.generateAsync({ type: 'nodebuffer', compressionOptions: { level: 2 } });
-        return this.fsExtra.writeFile(zipFilePath, content);
+        return this.fsExtra.outputFile(zipFilePath, content);
     }
 }
 
diff --git a/src/RokuDeployOptions.ts b/src/RokuDeployOptions.ts
index 75e4378..8b44f99 100644
--- a/src/RokuDeployOptions.ts
+++ b/src/RokuDeployOptions.ts
@@ -158,6 +158,22 @@ export interface RokuDeployOptions {
      * If true, the previously installed dev channel will be deleted before installing the new one
      */
     deleteInstalledChannel?: boolean;
+
+    /**
+     * Overrides for values used during the zip upload process. You probably don't need to change these...
+     */
+    packageUploadOverrides?: {
+        /**
+         * The route to use for uploading to the Roku device. Defaults to 'plugin_install'
+         * @default 'plugin_install'
+         */
+        route?: string;
+
+        /**
+         * A dictionary of form fields to be included in the package upload request. Set a value to null to delete from the form
+         */
+        formData?: Record<string, any>;
+    };
 }
 
 export type FileEntry = (string | { src: string | string[]; dest?: string });