diff --git a/package.json b/package.json
index 1f7088e..dd42408 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,6 @@
   "devDependencies": {
     "eslint": "5.14.1",
     "tslint": "5.13.1",
-    "typescript": "3.3.3333"
+    "typescript": "4.7.4"
   }
 }