diff --git a/package.json b/package.json
index aa03e3b..2368486 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "ts-jest": "^19.0.0",
     "tslint": "^5.0.0",
     "tslint-config-standard": "^5.0.0",
-    "typescript": "^2.2.1",
+    "typescript": "^2.3.1",
     "typings": "^2.1.0"
   },
   "dependencies": {