diff --git a/backend/src/plugins/cors.ts b/backend/src/plugins/cors.ts
index 3bc7d1a..7404059 100644
--- a/backend/src/plugins/cors.ts
+++ b/backend/src/plugins/cors.ts
@@ -14,8 +14,9 @@ export default fp(async (server: FastifyInstance) => {
             "https://app.fedeo.de", // dein Nuxt-Frontend
             "capacitor://localhost", // dein Nuxt-Frontend
         ],
-        methods: ["GET", "POST", "PUT", "DELETE", "OPTIONS"],
-        allowedHeaders: ["Content-Type", "Authorization", "Context", "X-Public-Pin"],
+        methods: ["GET", "POST", "PUT", "DELETE", "OPTIONS",
+            "PROPFIND", "PROPPATCH", "MKCOL", "COPY", "MOVE", "LOCK", "UNLOCK"],
+        allowedHeaders: ["Content-Type", "Authorization", "Context", "X-Public-Pin","Depth", "Overwrite", "Destination", "Lock-Token", "If"],
         exposedHeaders: ["Authorization", "Content-Disposition", "Content-Type", "Content-Length"], // optional, falls du ihn auch auslesen willst
         credentials: true, // wichtig, falls du Cookies nutzt
     });