diff --git a/web/playground/package.json b/web/playground/package.json
index 1ad30dd79..e8c44fa3b 100644
--- a/web/playground/package.json
+++ b/web/playground/package.json
@@ -16,7 +16,7 @@
     "@codemirror/view": "6.43.14",
     "@lezer/highlight": "1.2.5",
     "codemirror": "6.0.2",
-    "zod": "4.6.5"
+    "zod": "4.6.6"
   },
   "devDependencies": {
     "@axe-core/playwright": "4.13.0",
diff --git a/web/playground/pnpm-lock.yaml b/web/playground/pnpm-lock.yaml
index 1465920c4..22a36a726 100644
--- a/web/playground/pnpm-lock.yaml
+++ b/web/playground/pnpm-lock.yaml
@@ -200,8 +200,8 @@ importers:
         specifier: 6.0.2
         version: 6.0.2
       zod:
-        specifier: 4.6.5
-        version: 4.6.5
+        specifier: 4.6.6
+        version: 4.6.6
     devDependencies:
       '@axe-core/playwright':
         specifier: 4.13.0
@@ -1413,8 +1413,8 @@ packages:
   yuku-parser@0.9.5:
     resolution: {integrity: sha512-IBnAdNVMswWbJcM7woPluOudectJzFjJ1N8jVRxP9Uq4CIv5hZdBIcdmtRbFDYF/Ph2j2gVup4YJ4N9mh0jYFA==}
 
-  zod@4.6.5:
-    resolution: {integrity: sha512-v5l/aFXZQeai4awLbOpSoHecE9UiMrnfx75tEXLjNonXVARxQ5mOeipTjROUchszUNCqnE+hqAMujRsRHsut2Q==}
+  zod@4.6.6:
+    resolution: {integrity: sha512-4UmzQUF5fxvfcYHlbjBmejU+w+hbDnWFx4aS8kBx7nPBHcO2SqPbpAG8snbdg+Xse4pRefR98hgjFgIMCI/UhA==}
 
 snapshots:
 
@@ -2308,4 +2308,4 @@ snapshots:
       '@yuku-parser/binding-win32-arm64': 0.9.5
       '@yuku-parser/binding-win32-x64': 0.9.5
 
-  zod@4.6.5: {}
+  zod@4.6.6: {}
diff --git a/web/view/package.json b/web/view/package.json
index 1d3837b43..ea59bfe47 100644
--- a/web/view/package.json
+++ b/web/view/package.json
@@ -16,7 +16,7 @@
     "@codemirror/state": "6.7.6",
     "@codemirror/view": "6.43.14",
     "@lezer/highlight": "1.2.5",
-    "zod": "4.6.5"
+    "zod": "4.6.6"
   },
   "devDependencies": {
     "@types/node": "26.6.4",
diff --git a/web/view/pnpm-lock.yaml b/web/view/pnpm-lock.yaml
index c9676f84e..48b660dae 100644
--- a/web/view/pnpm-lock.yaml
+++ b/web/view/pnpm-lock.yaml
@@ -197,8 +197,8 @@ importers:
         specifier: 1.2.5
         version: 1.2.5
       zod:
-        specifier: 4.6.5
-        version: 4.6.5
+        specifier: 4.6.6
+        version: 4.6.6
     devDependencies:
       '@types/node':
         specifier: 26.6.4
@@ -1371,8 +1371,8 @@ packages:
   yuku-parser@0.9.5:
     resolution: {integrity: sha512-IBnAdNVMswWbJcM7woPluOudectJzFjJ1N8jVRxP9Uq4CIv5hZdBIcdmtRbFDYF/Ph2j2gVup4YJ4N9mh0jYFA==}
 
-  zod@4.6.5:
-    resolution: {integrity: sha512-v5l/aFXZQeai4awLbOpSoHecE9UiMrnfx75tEXLjNonXVARxQ5mOeipTjROUchszUNCqnE+hqAMujRsRHsut2Q==}
+  zod@4.6.6:
+    resolution: {integrity: sha512-4UmzQUF5fxvfcYHlbjBmejU+w+hbDnWFx4aS8kBx7nPBHcO2SqPbpAG8snbdg+Xse4pRefR98hgjFgIMCI/UhA==}
 
 snapshots:
 
@@ -2227,4 +2227,4 @@ snapshots:
       '@yuku-parser/binding-win32-arm64': 0.9.5
       '@yuku-parser/binding-win32-x64': 0.9.5
 
-  zod@4.6.5: {}
+  zod@4.6.6: {}