diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index c99bc4086..a6c75bea0 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -43,7 +43,7 @@
         "recharts": "^3.10.1",
         "tesseract.js": "^6.0.1",
         "topojson-client": "^3.1.0",
-        "zod": "^3.22.4",
+        "zod": "^4.5.4",
         "zustand": "^4.5.7"
       },
       "devDependencies": {
@@ -17238,9 +17238,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.5.4",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.5.4.tgz",
+      "integrity": "sha512-sC95tT5iHHH9gtpj6A81kh+NEaRAUFN+qlUPDUbRfOMvNf5QCBqsb3WgvnpVtK5Y+4UfA6KqufotuTvMGiTlsA==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/frontend/package.json b/frontend/package.json
index 58c913af9..0ef6b5a9a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -50,7 +50,7 @@
     "recharts": "^3.10.1",
     "tesseract.js": "^6.0.1",
     "topojson-client": "^3.1.0",
-    "zod": "^3.22.4",
+    "zod": "^4.5.4",
     "zustand": "^4.5.7"
   },
   "devDependencies": {