diff --git a/package.json b/package.json
index c49162343a2..b834f71bf99 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "typescript",
     "author": "Microsoft Corp.",
     "homepage": "http://typescriptlang.org/",
-    "version": "2.2.0",
+    "version": "2.2.1",
     "license": "Apache-2.0",
     "description": "TypeScript is a language for application scale JavaScript development",
     "keywords": [
diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index 94e32dfdbb3..1d70f4af1dc 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -3,7 +3,7 @@
 
 namespace ts {
     /** The version of the TypeScript compiler release */
-    export const version = "2.2.0";
+    export const version = "2.2.1";
 }
 
 /* @internal */