diff --git a/pwa-testing/octagonal-eight-potato/package-lock.json b/pwa-testing/octagonal-eight-potato/package-lock.json
index d50e74a5dd..1357af60e2 100644
--- a/pwa-testing/octagonal-eight-potato/package-lock.json
+++ b/pwa-testing/octagonal-eight-potato/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.1",
       "license": "MIT",
       "dependencies": {
-        "fastify": "^5.12.1",
+        "fastify": "^5.12.5",
         "fastify-multipart": "^4.0.0",
         "fastify-static": "^4.0.0",
         "handlebars": "^4.7.7",
@@ -413,9 +413,9 @@
       "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/pwa-testing/octagonal-eight-potato/package.json b/pwa-testing/octagonal-eight-potato/package.json
index edb4e101ad..4fadd47f2e 100644
--- a/pwa-testing/octagonal-eight-potato/package.json
+++ b/pwa-testing/octagonal-eight-potato/package.json
@@ -7,7 +7,7 @@
     "start": "node index.js"
   },
   "dependencies": {
-    "fastify": "^5.12.1",
+    "fastify": "^5.12.5",
     "fastify-multipart": "^4.0.0",
     "fastify-static": "^4.0.0",
     "handlebars": "^4.7.7",