diff --git a/package.json b/package.json
index 7c99100..b1bb006 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "@types/jest": "24.0.0",
     "jest": "24.0.0",
     "ts-jest": "23.10.5",
-    "typescript": "3.3.1"
+    "typescript": "^4.1.2"
   },
   "main": "./lib/index.js",
   "bin": {