diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 7dba963..3b12ce7 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -39,7 +39,7 @@
         "react-router-dom": "^6.26.0",
         "recharts": "^2.12.7",
         "tailwind-merge": "^2.5.2",
-        "zod": "^3.23.8",
+        "zod": "^4.3.6",
         "zustand": "^5.0.0"
       },
       "devDependencies": {
@@ -6675,9 +6675,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.3.6",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.3.6.tgz",
+      "integrity": "sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/frontend/package.json b/frontend/package.json
index 91001d2..76f0195 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -41,7 +41,7 @@
     "react-router-dom": "^6.26.0",
     "recharts": "^2.12.7",
     "tailwind-merge": "^2.5.2",
-    "zod": "^3.23.8",
+    "zod": "^4.3.6",
     "zustand": "^5.0.0"
   },
   "devDependencies": {