diff --git a/package.json b/package.json
index 5515df2..b7a58c6 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "fastify": "5.2.0",
     "skuba": "9.1.0",
     "zod": "3.24.1",
-    "zod-openapi": "4.1.0"
+    "zod-openapi": "4.2.0"
   },
   "peerDependencies": {
     "@fastify/swagger": "^9.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 223e992..9e21066 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -43,8 +43,8 @@ importers:
         specifier: 3.24.1
         version: 3.24.1
       zod-openapi:
-        specifier: 4.1.0
-        version: 4.1.0(zod@3.24.1)
+        specifier: 4.2.0
+        version: 4.2.0(zod@3.24.1)
 
 packages:
 
@@ -5519,8 +5519,8 @@ packages:
     resolution: {integrity: sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==}
     engines: {node: '>=10'}
 
-  zod-openapi@4.1.0:
-    resolution: {integrity: sha512-bRCwRYhEO9CmFLyKgJX8h6j1dRtRiwOe+TLzMVPyV0pRW5vRIgb1rLgIGcuRZ5z3MmSVrZqbv3yva4IJrtZK4g==}
+  zod-openapi@4.2.0:
+    resolution: {integrity: sha512-lnm1e2X5/Ymox5mYxdspy/y52Hb4rPxG1bcwOuHS+YIpxQNEt9s8G4zo34jm0M3+q71TAxgqzcbPLiBXrsfsGA==}
     engines: {node: '>=18'}
     peerDependencies:
       zod: ^3.21.4
@@ -11803,7 +11803,7 @@ snapshots:
 
   yocto-queue@0.1.0: {}
 
-  zod-openapi@4.1.0(zod@3.24.1):
+  zod-openapi@4.2.0(zod@3.24.1):
     dependencies:
       zod: 3.24.1