diff --git a/package.json b/package.json
index 519af9a..b580186 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "source-map-loader": "^0.2.1",
     "tslint": "^5.0.0",
     "tslint-config-unional": "^0.8.0",
-    "typescript": "^2.1.5",
+    "typescript": "^2.4.2",
     "webpack": "^3.0.0"
   }
 }