diff --git a/package.json b/package.json
index 88d5db51f72..efa07c72e29 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "typescript",
     "author": "Microsoft Corp.",
     "homepage": "http://typescriptlang.org/",
-    "version": "1.5.2",
+    "version": "1.5.3",
     "licenses": [
         {
             "type": "Apache License 2.0",
diff --git a/src/compiler/program.ts b/src/compiler/program.ts
index 232a74107f7..32503de2566 100644
--- a/src/compiler/program.ts
+++ b/src/compiler/program.ts
@@ -8,7 +8,7 @@ module ts {
     /* @internal */ export let ioWriteTime = 0;
 
     /** The version of the TypeScript compiler release */
-    export const version = "1.5.2";
+    export const version = "1.5.3";
 
     const carriageReturnLineFeed = "\r\n";
     const lineFeed = "\n";
diff --git a/src/services/shims.ts b/src/services/shims.ts
index 795058243d9..f5996e1bf04 100644
--- a/src/services/shims.ts
+++ b/src/services/shims.ts
@@ -989,4 +989,4 @@ module TypeScript.Services {
 }
 
 /* @internal */
-let toolsVersion = "1.4";
+let toolsVersion = "1.5";