diff --git a/packages/domscribe-relay/package.json b/packages/domscribe-relay/package.json
index 45440f8..b48995f 100644
--- a/packages/domscribe-relay/package.json
+++ b/packages/domscribe-relay/package.json
@@ -29,7 +29,7 @@
     "@modelcontextprotocol/sdk": "^1.0.0",
     "cli-highlight": "^2.1.11",
     "commander": "^14.0.2",
-    "fastify": "^5.8.3",
+    "fastify": "^5.8.5",
     "fastify-type-provider-zod": "^6.1.0",
     "nanoid": "^5.0.0",
     "semver": "^7.7.4",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index fe5639b..c7caa2b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -259,11 +259,11 @@ importers:
         specifier: ^14.0.2
         version: 14.0.2
       fastify:
-        specifier: ^5.8.3
-        version: 5.8.3
+        specifier: ^5.8.5
+        version: 5.8.5
       fastify-type-provider-zod:
         specifier: ^6.1.0
-        version: 6.1.0(@fastify/swagger@9.6.1)(fastify@5.8.3)(openapi-types@12.1.3)(zod@4.3.6)
+        version: 6.1.0(@fastify/swagger@9.6.1)(fastify@5.8.5)(openapi-types@12.1.3)(zod@4.3.6)
       nanoid:
         specifier: ^5.0.0
         version: 5.1.6
@@ -4342,8 +4342,8 @@ packages:
       openapi-types: ^12.1.3
       zod: '>=4.1.5'
 
-  fastify@5.8.3:
-    resolution: {integrity: sha512-XJXpRQ41+rsJ/GLeP9vyDC+fBXilcTlEXokMSexkdEkla4uf7ZQNaI5xl3el+kW5TZQulqYxLr659ey/KX7XmQ==}
+  fastify@5.8.5:
+    resolution: {integrity: sha512-Yqptv59pQzPgQUSIm87hMqHJmdkb1+GPxdE6vW6FRyVE9G86mt7rOghitiU4JHRaTyDUk9pfeKmDeu70lAwM4Q==}
 
   fastq@1.20.1:
     resolution: {integrity: sha512-GGToxJ/w1x32s/D2EKND7kTil4n8OVk/9mycTc4VDza13lOvpUZTGX3mFSCtV9ksdGBVzvsyAVLM6mHFThxXxw==}
@@ -11710,15 +11710,15 @@ snapshots:
 
   fastify-plugin@5.1.0: {}
 
-  fastify-type-provider-zod@6.1.0(@fastify/swagger@9.6.1)(fastify@5.8.3)(openapi-types@12.1.3)(zod@4.3.6):
+  fastify-type-provider-zod@6.1.0(@fastify/swagger@9.6.1)(fastify@5.8.5)(openapi-types@12.1.3)(zod@4.3.6):
     dependencies:
       '@fastify/error': 4.2.0
       '@fastify/swagger': 9.6.1
-      fastify: 5.8.3
+      fastify: 5.8.5
       openapi-types: 12.1.3
       zod: 4.3.6
 
-  fastify@5.8.3:
+  fastify@5.8.5:
     dependencies:
       '@fastify/ajv-compiler': 4.0.5
       '@fastify/error': 4.2.0