diff --git a/package.json b/package.json
index 9bbe43d..d97a728 100644
--- a/package.json
+++ b/package.json
@@ -98,7 +98,7 @@
   "devDependencies": {
     "jasmine": "^2.4.1",
     "karma-jasmine": "^0.3.8",
-    "typescript": "^1.8.9",
+    "typescript": "^2.3.3",
     "nodemon": "^1.9.1"
   },
   "peerDependencies": {