diff --git a/package.json b/package.json
index 949df0f..0769051 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,6 @@
   "devDependencies": {
     "codelyzer": "3.0.1",
     "tslint": "^5.1.0",
-    "typescript": "2.2.1"
+    "typescript": "2.3.4"
   }
 }