diff --git a/package.json b/package.json
index 19f41fcf125a..ff4c69c2831e 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,7 @@
     "remap-istanbul": "^0.6.4",
     "resolve": "^1.1.7",
     "rimraf": "^2.5.3",
-    "rxjs": "^5.0.0-beta.12",
+    "rxjs": "5.0.0-beta.12",
     "sass-loader": "^3.2.0",
     "script-loader": "^0.7.0",
     "shelljs": "^0.7.0",
@@ -109,8 +109,8 @@
     "typedoc": "^0.4.2",
     "typescript": "2.0.2",
     "url-loader": "^0.5.7",
-    "webpack": "^2.1.0-beta.22",
-    "webpack-dev-server": "^2.1.0-beta.3",
+    "webpack": "2.1.0-beta.22",
+    "webpack-dev-server": "2.1.0-beta.3",
     "webpack-md5-hash": "0.0.5",
     "webpack-merge": "^0.14.0",
     "zone.js": "^0.6.23"
diff --git a/packages/angular-cli/package.json b/packages/angular-cli/package.json
index 0a719b4db0ff..394fc6b3bc1b 100644
--- a/packages/angular-cli/package.json
+++ b/packages/angular-cli/package.json
@@ -73,7 +73,7 @@
     "remap-istanbul": "^0.6.4",
     "resolve": "^1.1.7",
     "rimraf": "^2.5.3",
-    "rxjs": "^5.0.0-beta.12",
+    "rxjs": "5.0.0-beta.12",
     "sass-loader": "^3.2.0",
     "script-loader": "^0.7.0",
     "shelljs": "^0.7.0",
@@ -91,8 +91,8 @@
     "typedoc": "^0.4.2",
     "typescript": "2.0.2",
     "url-loader": "^0.5.7",
-    "webpack": "^2.1.0-beta.22",
-    "webpack-dev-server": "^2.1.0-beta.3",
+    "webpack": "2.1.0-beta.22",
+    "webpack-dev-server": "2.1.0-beta.3",
     "webpack-md5-hash": "0.0.5",
     "webpack-merge": "^0.14.0",
     "zone.js": "^0.6.23"
diff --git a/packages/ast-tools/package.json b/packages/ast-tools/package.json
index 6641fb7a9f4f..cb551bfe1586 100644
--- a/packages/ast-tools/package.json
+++ b/packages/ast-tools/package.json
@@ -20,7 +20,7 @@
   },
   "homepage": "https://github.com/angular/angular-cli",
   "dependencies": {
-    "rxjs": "^5.0.0-beta.11",
+    "rxjs": "5.0.0-beta.11",
     "denodeify": "^1.2.1",
     "typescript": "2.0.0"
   }