diff --git a/package.json b/package.json
index 4602f0c94..c757d8c1e 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "typescript": "5.9.2",
     "vite": "7.1.1",
     "vitest": "3.2.4",
-    "zod": "3.25.76"
+    "zod": "4.0.16"
   },
   "type": "module",
   "dependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index fd041fbf9..0e8158ce4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -190,8 +190,8 @@ importers:
         specifier: 3.2.4
         version: 3.2.4(@edge-runtime/vm@3.2.0)(@types/node@24.2.1)(@vitest/ui@3.2.4)(jiti@1.21.6)(jsdom@26.1.0)(yaml@2.8.1)
       zod:
-        specifier: 3.25.76
-        version: 3.25.76
+        specifier: 4.0.16
+        version: 4.0.16
 
 packages:
 
@@ -4568,6 +4568,9 @@ packages:
   zod@3.25.76:
     resolution: {integrity: sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==}
 
+  zod@4.0.16:
+    resolution: {integrity: sha512-Djo/cM339grjI7/HmN+ixYO2FzEMcWr/On50UlQ/RjrWK1I/hPpWhpC76heCptnRFpH0LMwrEbUY50HDc0V8wg==}
+
 snapshots:
 
   '@adobe/css-tools@4.4.3': {}
@@ -9108,4 +9111,7 @@ snapshots:
       zod: 3.25.76
     optional: true
 
-  zod@3.25.76: {}
+  zod@3.25.76:
+    optional: true
+
+  zod@4.0.16: {}