diff --git a/package-lock.json b/package-lock.json
index 679b9af..3d34678 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9601,7 +9601,7 @@
       "license": "MIT",
       "dependencies": {
         "linkedom": "^0.18.13",
-        "zod": "^4.5.4"
+        "zod": "^4.6.6"
       },
       "bin": {
         "grounded-json": "dist/cli.js"
@@ -9616,9 +9616,9 @@
       }
     },
     "packages/grounded-json/node_modules/zod": {
-      "version": "4.5.4",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-4.5.4.tgz",
-      "integrity": "sha512-sC95tT5iHHH9gtpj6A81kh+NEaRAUFN+qlUPDUbRfOMvNf5QCBqsb3WgvnpVtK5Y+4UfA6KqufotuTvMGiTlsA==",
+      "version": "4.6.6",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.6.6.tgz",
+      "integrity": "sha512-4UmzQUF5fxvfcYHlbjBmejU+w+hbDnWFx4aS8kBx7nPBHcO2SqPbpAG8snbdg+Xse4pRefR98hgjFgIMCI/UhA==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/packages/grounded-json/package.json b/packages/grounded-json/package.json
index db272f3..a697780 100644
--- a/packages/grounded-json/package.json
+++ b/packages/grounded-json/package.json
@@ -54,7 +54,7 @@
   },
   "dependencies": {
     "linkedom": "^0.18.13",
-    "zod": "^4.5.4"
+    "zod": "^4.6.6"
   },
   "devDependencies": {
     "@types/node": "^22.19.19",