diff --git a/package.json b/package.json
index e0276b583..0457cf506 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "rollup-plugin-babel": "^2.6.1",
     "rxjs": "5.0.1",
     "tslint": "^4.0.0",
-    "typescript": "2.1.4",
+    "typescript": "2.1.5",
     "zone.js": "^0.7.4"
   },
   "dependencies": {