diff --git a/integration/templates/fastify-vite/package.json b/integration/templates/fastify-vite/package.json
index b4a73f5276d..b71096cb0e6 100644
--- a/integration/templates/fastify-vite/package.json
+++ b/integration/templates/fastify-vite/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "dotenv": "^17.2.1",
     "express": "^5.1.0",
-    "fastify": "^5.7.2",
+    "fastify": "^5.8.4",
     "fastify-plugin": "^5.0.1",
     "tsx": "^4.20.3",
     "vite-express": "^0.21.1"
diff --git a/packages/fastify/package.json b/packages/fastify/package.json
index 9300aa56b48..7e34b80ecc3 100644
--- a/packages/fastify/package.json
+++ b/packages/fastify/package.json
@@ -79,7 +79,7 @@
     "fastify-plugin": "^5.0.1"
   },
   "devDependencies": {
-    "fastify": "^5.7.2"
+    "fastify": "^5.8.4"
   },
   "peerDependencies": {
     "fastify": ">=5"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8d59049d7b8..11b390c8bd9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -664,8 +664,8 @@ importers:
         version: 5.1.0
     devDependencies:
       fastify:
-        specifier: ^5.7.2
-        version: 5.7.2
+        specifier: ^5.8.4
+        version: 5.8.4
 
   packages/hono:
     dependencies:
@@ -2463,7 +2463,7 @@ packages:
 
   '@expo/bunyan@4.0.1':
     resolution: {integrity: sha512-+Lla7nYSiHZirgK+U/uYzsLv/X+HaJienbD5AKX1UQZHYfWaP+9uuQluRB4GrEVWF0GZ7vEVp/jzaOT9k/SQlg==}
-    engines: {node: '>=0.10.0'}
+    engines: {'0': node >=0.10.0}
 
   '@expo/cli@0.22.26':
     resolution: {integrity: sha512-I689wc8Fn/AX7aUGiwrh3HnssiORMJtR2fpksX+JIe8Cj/EDleblYMSwRPd0025wrwOV9UN1KM/RuEt/QjCS3Q==}
@@ -8217,8 +8217,8 @@ packages:
   fastify-plugin@5.1.0:
     resolution: {integrity: sha512-FAIDA8eovSt5qcDgcBvDuX/v0Cjz0ohGhENZ/wpc3y+oZCY2afZ9Baqql3g/lC+OHRnciQol4ww7tuthOb9idw==}
 
-  fastify@5.7.2:
-    resolution: {integrity: sha512-dBJolW+hm6N/yJVf6J5E1BxOBNkuXNl405nrfeR8SpvGWG3aCC2XDHyiFBdow8Win1kj7sjawQc257JlYY6M/A==}
+  fastify@5.8.4:
+    resolution: {integrity: sha512-sa42J1xylbBAYUWALSBoyXKPDUvM3OoNOibIefA+Oha57FryXKKCZarA1iDntOCWp3O35voZLuDg2mdODXtPzQ==}
 
   fastq@1.19.1:
     resolution: {integrity: sha512-GwLTyxkCXjXbxqIhTsMI2Nui8huMPtnxg7krajPJAjnEG/iiOS7i+zCtWGZR9G0NBKbXKh6X9m9UIsYX/N6vvQ==}
@@ -18653,7 +18653,7 @@ snapshots:
       debug: 4.4.3(supports-color@8.1.1)
       invariant: 2.2.4
       metro: 0.83.3(bufferutil@4.1.0)(utf-8-validate@5.0.10)
-      metro-config: 0.83.3(bufferutil@4.1.0)(utf-8-validate@5.0.10)
+      metro-config: 0.83.3(bufferutil@4.1.0)(utf-8-validate@6.0.6)
       metro-core: 0.83.3
       semver: 7.7.4
     optionalDependencies:
@@ -24357,7 +24357,7 @@ snapshots:
 
   fastify-plugin@5.1.0: {}
 
-  fastify@5.7.2:
+  fastify@5.8.4:
     dependencies:
       '@fastify/ajv-compiler': 4.0.5
       '@fastify/error': 4.2.0
@@ -26733,21 +26733,6 @@ snapshots:
       - supports-color
       - utf-8-validate
 
-  metro-config@0.83.3(bufferutil@4.1.0)(utf-8-validate@5.0.10):
-    dependencies:
-      connect: 3.7.0
-      flow-enums-runtime: 0.0.6
-      jest-validate: 29.7.0
-      metro: 0.83.3(bufferutil@4.1.0)(utf-8-validate@5.0.10)
-      metro-cache: 0.83.3
-      metro-core: 0.83.3
-      metro-runtime: 0.83.3
-      yaml: 2.8.3
-    transitivePeerDependencies:
-      - bufferutil
-      - supports-color
-      - utf-8-validate
-
   metro-config@0.83.3(bufferutil@4.1.0)(utf-8-validate@6.0.6):
     dependencies:
       connect: 3.7.0
@@ -27038,7 +27023,7 @@ snapshots:
       metro-babel-transformer: 0.83.3
       metro-cache: 0.83.3
       metro-cache-key: 0.83.3
-      metro-config: 0.83.3(bufferutil@4.1.0)(utf-8-validate@5.0.10)
+      metro-config: 0.83.3(bufferutil@4.1.0)(utf-8-validate@6.0.6)
       metro-core: 0.83.3
       metro-file-map: 0.83.3
       metro-resolver: 0.83.3