diff --git a/backend/package.json b/backend/package.json
index e3fe4e2..d1d5eeb 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -9,9 +9,9 @@
   "dependencies": {
     "@fastify/cookie": "^9.4.0",
     "@fastify/cors": "^9.0.1",
-    "@fastify/multipart": "^9.0.1",
-    "@fastify/static": "^8.0.1",
-    "fastify": "^5.0.0",
+    "@fastify/multipart": "^8.3.0",
+    "@fastify/static": "^7.0.0",
+    "fastify": "^4.28.1",
     "jose": "^5.9.6",
     "pg": "^8.13.1"
   }