diff --git a/package.json b/package.json
index 97a3939..231b860 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "ts-node": "^8.4.1",
     "tslint": "^5.20.0",
     "tslint-config-prettier": "^1.18.0",
-    "typescript": "^3.6.3"
+    "typescript": "^4.0.5"
   },
   "scripts": {
     "compile": "tsc --pretty --project .",