diff --git a/package.json b/package.json
index 8969f51b..f306f9dd 100644
--- a/package.json
+++ b/package.json
@@ -21,16 +21,16 @@
   "devDependencies": {
     "event-stream": "^3.3.2",
     "gulp": "^3.9.1",
-    "gulp-requirejs": "^0.1.3",
+    "gulp-requirejs": "0.1.3",
     "gulp-tsb": "^2.0.0",
-    "gulp-uglify": "^1.5.3",
-    "merge-stream": "^1.0.0",
-    "monaco-editor-core": "^0.8.2",
-    "monaco-languages": "^0.7.0",
-    "object-assign": "^4.1.0",
-    "rimraf": "^2.5.2",
-    "typescript": "^2.3.4",
-    "vscode-css-languageservice": "^2.1.1",
-    "vscode-languageserver-types": "^3.3.0"
+    "gulp-uglify": "1.5.3",
+    "merge-stream": "1.0.0",
+    "monaco-editor-core": "0.9.0",
+    "monaco-languages": "0.8.0",
+    "object-assign": "4.1.0",
+    "rimraf": "2.5.2",
+    "typescript": "2.3.4",
+    "vscode-css-languageservice": "2.1.1",
+    "vscode-languageserver-types": "3.3.0"
   }
 }