diff --git a/backend/package.json b/backend/package.json
index e638b94..39b4c9b 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "@types/better-sqlite3": "^7.6.8",
     "@types/cors": "^2.8.17",
-    "@types/express": "^4.17.21",
+    "@types/express": "^5.0.6",
     "@types/node": "^25.2.1",
     "@typescript-eslint/eslint-plugin": "^6.19.0",
     "@typescript-eslint/parser": "^6.19.0",