diff --git a/package.json b/package.json
index 808e8d34f..55edae46b 100644
--- a/package.json
+++ b/package.json
@@ -64,6 +64,6 @@
     "jsonp": "^0.2.1",
     "np": "^6.0.0",
     "rc-dialog": "^8.1.1",
-    "typescript": "^3.9.3"
+    "typescript": "^4.2.2"
   }
 }