diff --git a/package.json b/package.json
index c7767d56..dcd32785 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,7 @@
     "test:attw": "attw --pack"
   },
   "peerDependencies": {
-    "zod": ">=3"
+    "zod": ">=4.4.3"
   },
   "peerDependenciesMeta": {
     "zod": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 6c0a9ea3..aac086c3 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -193,7 +193,7 @@ importers:
         specifier: 'catalog:'
         version: 1.6.4
       zod:
-        specifier: '>=3'
+        specifier: '>=4.4.3'
         version: 4.4.3
     devDependencies:
       '@antfu/eslint-config':