diff --git a/package.json b/package.json
index 5ec792582d..ff31bd2f38 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-srcs",
-  "version": "4.0.0",
+  "version": "4.1.0-beta.0",
   "private": true,
   "branchPattern": "2.0.*",
   "description": "Angular - a web framework for modern web apps",
diff --git a/packages/compiler-cli/package.json b/packages/compiler-cli/package.json
index d0d1743838..20e7968234 100644
--- a/packages/compiler-cli/package.json
+++ b/packages/compiler-cli/package.json
@@ -9,7 +9,7 @@
     "ng-xi18n": "./src/extract_i18n.js"
   },
   "dependencies": {
-    "@angular/tsc-wrapped": "4.0.0",
+    "@angular/tsc-wrapped": "4.1.0-beta.0",
     "reflect-metadata": "^0.1.2",
     "minimist": "^1.2.0"
   },
diff --git a/tools/@angular/tsc-wrapped/package.json b/tools/@angular/tsc-wrapped/package.json
index cdbcb866f1..4e7c6c7b7b 100644
--- a/tools/@angular/tsc-wrapped/package.json
+++ b/tools/@angular/tsc-wrapped/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@angular/tsc-wrapped",
-  "version": "4.0.0",
+  "version": "4.1.0-beta.0",
   "description": "Wraps the tsc CLI, allowing extensions.",
   "homepage": "https://github.com/angular/angular/tree/master/tools/tsc-wrapped",
   "bugs": "https://github.com/angular/angular/issues",