diff --git a/services/backend/package.json b/services/backend/package.json
index 0c1c36b4..e2f0bdfe 100644
--- a/services/backend/package.json
+++ b/services/backend/package.json
@@ -49,7 +49,7 @@
     "pug": "^3.0.2",
     "sanitize-html": "^2.17.0",
     "zod": "^4.3.6",
-    "zod-openapi": "^5.4.6"
+    "zod-openapi": "^6.0.0"
   },
   "devDependencies": {
     "@commitlint/cli": "^20.4.3",