diff --git a/package.json b/package.json
index 02ec8fc7..49fb8f78 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "mocha": "^6.2.2",
     "sinon": "^7.5.0",
     "ts-node": "^8.4.1",
-    "typescript": "^3.6.4"
+    "typescript": "^4.7.4"
   },
   "dependencies": {
     "@actions/core": "^1.1.3",