diff --git a/package.json b/package.json
index e924ef8..3f17645 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "cookie-session": "^2.0.0-beta.3",
     "express": "^4.16.2",
     "express-sslify": "^1.2.0",
-    "helmet": "^3.9.0",
+    "helmet": "^8.0.0",
     "probot": "^4.0.0"
   },
   "devDependencies": {