diff --git a/compat-test/package.json b/compat-test/package.json
index 6e0753ebfd..11a1d2f698 100644
--- a/compat-test/package.json
+++ b/compat-test/package.json
@@ -15,6 +15,6 @@
     "http-errors": "npm:http-errors@2.0.1",
     "typescript": "npm:typescript@5.1.3",
     "typescript-eslint": "npm:typescript-eslint@8.0.0",
-    "zod": "npm:zod@4.1.13"
+    "zod": "npm:zod@4.3.4"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f296f6635c..2d2801a20f 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -141,8 +141,8 @@ importers:
         specifier: npm:typescript-eslint@8.0.0
         version: 8.0.0(eslint@9.0.0)(typescript@5.1.3)
       zod:
-        specifier: npm:zod@4.1.13
-        version: 4.1.13
+        specifier: npm:zod@4.3.4
+        version: 4.3.4
 
   esm-test:
     devDependencies:
@@ -2033,8 +2033,8 @@ packages:
     resolution: {integrity: sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==}
     engines: {node: '>=10'}
 
-  zod@4.1.13:
-    resolution: {integrity: sha512-AvvthqfqrAhNH9dnfmrfKzX5upOdjUVJYFqNSlkmGf64gRaTzlPwz99IHYnVs28qYAybvAlBV+H7pn0saFY4Ig==}
+  zod@4.3.4:
+    resolution: {integrity: sha512-Zw/uYiiyF6pUT1qmKbZziChgNPRu+ZRneAsMUDU6IwmXdWt5JwcUfy2bvLOCUtz5UniaN/Zx5aFttZYbYc7O/A==}
 
   zod@4.3.6:
     resolution: {integrity: sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg==}
@@ -3795,6 +3795,6 @@ snapshots:
 
   yocto-queue@0.1.0: {}
 
-  zod@4.1.13: {}
+  zod@4.3.4: {}
 
   zod@4.3.6: {}