diff --git a/apps/arkiver/package-lock.json b/apps/arkiver/package-lock.json
index 96fd544b..e3463fdd 100644
--- a/apps/arkiver/package-lock.json
+++ b/apps/arkiver/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.0",
       "dependencies": {
         "@modelcontextprotocol/sdk": "^1.25.1",
-        "zod": "^3.22.4"
+        "zod": "^4.3.4"
       },
       "devDependencies": {
         "@types/node": "^25.0.3",
@@ -1673,9 +1673,9 @@
       "license": "ISC"
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.3.4.tgz",
+      "integrity": "sha512-Zw/uYiiyF6pUT1qmKbZziChgNPRu+ZRneAsMUDU6IwmXdWt5JwcUfy2bvLOCUtz5UniaN/Zx5aFttZYbYc7O/A==",
       "license": "MIT",
       "peer": true,
       "funding": {
diff --git a/apps/arkiver/package.json b/apps/arkiver/package.json
index 0d8e9bfd..42c157fa 100644
--- a/apps/arkiver/package.json
+++ b/apps/arkiver/package.json
@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.25.1",
-    "zod": "^3.22.4"
+    "zod": "3.25.76"
   },
   "devDependencies": {
     "@types/node": "^25.0.3",