diff --git a/package.json b/package.json
index 3fa3f45..8c418ad 100644
--- a/package.json
+++ b/package.json
@@ -21,8 +21,8 @@
     "typescript": "^2.5.2"
   },
   "devDependencies": {
-    "@types/node": "^8.0.28",
+    "@types/node": "^9.3.0",
     "nodemon": "^1.12.1",
-    "ts-node": "^3.3.0"
+    "ts-node": "^4.1.0"
   }
 }