diff --git a/package.json b/package.json
index 452d6e7..8c75532 100644
--- a/package.json
+++ b/package.json
@@ -65,7 +65,7 @@
     "react-dom": "^16.4.0",
     "tslint-config-prettier": "^1.17.0",
     "tslint-react": "^3.6.0",
-    "typescript": "3.x"
+    "typescript": "4.x"
   },
   "dependencies": {
     "babel-runtime": "6.x",