diff --git a/backend/package-lock.json b/backend/package-lock.json
index f132d10..518255c 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -11,7 +11,7 @@
         "@fastify/cors": "^11.0.1",
         "@fastify/websocket": "^11.0.2",
         "@prisma/client": "^6.3.1",
-        "fastify": "^5.2.1"
+        "fastify": "^5.12.5"
       },
       "devDependencies": {
         "@types/node": "^22.13.1",
@@ -1124,9 +1124,9 @@
       "license": "BSD-3-Clause"
     },
     "node_modules/fastify": {
-      "version": "5.12.1",
-      "resolved": "https://registry.npmjs.org/fastify/-/fastify-5.12.1.tgz",
-      "integrity": "sha512-FWi+tQvwxR/PeRX7Z2mhfEF5ozJ3jn9asiiclzKXNSzJRHAYcU924aIOKAdHFJ+YIKieh3cqr1IwCOvTr41B3Q==",
+      "version": "5.12.5",
+      "resolved": "https://registry.npmjs.org/fastify/-/fastify-5.12.5.tgz",
+      "integrity": "sha512-OB2k1dlxs5/NAABqeKV2FUHkSD2BbENsCak8yULVcymn3fHIPDVa9TI3SDnJSWYSllZmSYuZXy2gTnsT+Sut1A==",
       "funding": [
         {
           "type": "github",
diff --git a/backend/package.json b/backend/package.json
index 4fd1c2e..cded032 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -17,7 +17,7 @@
     "@fastify/cors": "^11.0.1",
     "@fastify/websocket": "^11.0.2",
     "@prisma/client": "^6.3.1",
-    "fastify": "^5.2.1"
+    "fastify": "^5.12.5"
   },
   "devDependencies": {
     "@types/node": "^22.13.1",