diff --git a/package.json b/package.json
index fe342e40b..1192586aa 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "semver": "5.3.0",
     "tslint": "3.15.1",
     "tslint-ionic-rules": "0.0.8",
-    "typescript": "2.3.4",
+    "typescript": "2.3.3",
     "zone.js": "^0.8.11"
   },
   "scripts": {