diff --git a/package.json b/package.json
index 3782ec8..ff55acc 100755
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "keywords": [],
     "homepage": "https://github.com/#{USER_OR_ORG}#/#{REPO_NAME}#",
     "devDependencies": {
-        "typescript": "^4.0.3",
+        "typescript": "^4.1.5"
         "@types/node": "^10.0.0",
         "denoify": "^0.5.10",
         "evt": "^1.8.11",