diff --git a/Extension/CHANGELOG.md b/Extension/CHANGELOG.md
index 811394644c..c479629532 100644
--- a/Extension/CHANGELOG.md
+++ b/Extension/CHANGELOG.md
@@ -1,6 +1,6 @@
 # C/C++ for Visual Studio Code Change Log
 
-## Version 0.21.0 January 17, 2019
+## Version 0.21.0 January 23, 2019
 ### New Features
 * Add documentation comments for hover, completion, and signature help. [#399](https://github.com/Microsoft/vscode-cpptools/issues/399)
 * Add completion committing for methods after `(`. [#1184](https://github.com/Microsoft/vscode-cpptools/issues/1184)
diff --git a/Extension/package-lock.json b/Extension/package-lock.json
index ab00d5abab..ba61a2dcbf 100644
--- a/Extension/package-lock.json
+++ b/Extension/package-lock.json
@@ -1752,9 +1752,9 @@
       "dev": true
     },
     "fd-slicer": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.0.1.tgz",
-      "integrity": "sha1-i1vL2ewyfFBBv5qwI/1nUPEXfmU=",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz",
+      "integrity": "sha1-JcfInLH5B3+IkbvmHY85Dq4lbx4=",
       "requires": {
         "pend": "~1.2.0"
       }
@@ -7190,12 +7190,12 @@
       }
     },
     "yauzl": {
-      "version": "2.8.0",
-      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.8.0.tgz",
-      "integrity": "sha1-eUUK/yKyqcWkHvVOAtuQfM+/nuI=",
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+      "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
       "requires": {
         "buffer-crc32": "~0.2.3",
-        "fd-slicer": "~1.0.1"
+        "fd-slicer": "~1.1.0"
       }
     },
     "yazl": {
diff --git a/Extension/package.json b/Extension/package.json
index d977e238e0..bd82f44471 100644
--- a/Extension/package.json
+++ b/Extension/package.json
@@ -1412,7 +1412,7 @@
     "vscode-debugprotocol": "~1.24.0",
     "vscode-extension-telemetry": "~0.1.0",
     "vscode-languageclient": "5.1.1",
-    "yauzl": "~2.8.0"
+    "yauzl": "~2.10.0"
   },
   "runtimeDependencies": [
     {