diff --git a/backend/package.json b/backend/package.json
index e4cba98..53b884a 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -44,7 +44,7 @@
     "swagger-jsdoc": "^6.2.8",
     "swagger-ui-express": "^5.0.1",
     "uuid": "^10.0.0",
-    "zod": "^3.23.8"
+    "zod": "^4.4.3"
   },
   "devDependencies": {
     "@stryker-mutator/core": "^9.6.1",