diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 7a9b72b48..042b80748 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -50,7 +50,7 @@
         "react-vertical-timeline-component": "^3.6.0",
         "typescript": "5.8.3",
         "typography": "^0.16.24",
-        "zod": "^3.23.8"
+        "zod": "^4.0.0"
       },
       "devDependencies": {
         "@typescript-eslint/eslint-plugin": "^8.0.0",
@@ -7778,9 +7778,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.6.5",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.6.5.tgz",
+      "integrity": "sha512-v5l/aFXZQeai4awLbOpSoHecE9UiMrnfx75tEXLjNonXVARxQ5mOeipTjROUchszUNCqnE+hqAMujRsRHsut2Q==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
diff --git a/frontend/package.json b/frontend/package.json
index 5f4dddcca..8d3e73c10 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -52,7 +52,7 @@
     "react-vertical-timeline-component": "^3.6.0",
     "typescript": "5.8.3",
     "typography": "^0.16.24",
-    "zod": "^3.23.8"
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^8.0.0",