diff --git a/package.json b/package.json
index 380c8cc8..52da4122 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "rc-drawer": "4.1.0",
     "react": "^16.9.0",
     "react-dom": "^16.9.0",
-    "typescript": "^3.7.2"
+    "typescript": "^4.0.2"
   },
   "typings": "./lib/DialogWrap.d.ts"
 }