diff --git a/auth-service/package.json b/auth-service/package.json
index b9bb4e9b..887e3383 100644
--- a/auth-service/package.json
+++ b/auth-service/package.json
@@ -19,7 +19,7 @@
     "better-auth": "^1.2.8",
     "cors": "^2.8.5",
     "dotenv": "^16.5.0",
-    "express": "^4.21.2",
+    "express": "^5.1.0",
     "nodemon": "^3.1.10",
     "pg": "^8.16.0",
     "tsx": "^4.19.4",