diff --git a/package.json b/package.json
index f5a0403..f170011 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "@types/urllib": "^2.28.1",
     "nodemon": "^1.18.10",
     "ts-node": "^8.0.3",
-    "typescript": "^3.3.3333"
+    "typescript": "^4.2.2"
   },
   "author": "ycjcl868",
   "license": "MIT"