diff --git a/frontend/package.json b/frontend/package.json
index d9e89c34..75de4b7b 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -32,7 +32,7 @@
     "react-leaflet": "^5.0.0",
     "recharts": "^2.15.3",
     "utility-types": "^3.11.0",
-    "zod": "^3.23.8",
+    "zod": "^4.0.2",
     "zustand": "^4.5.4"
   },
   "devDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 41874dc0..178f0795 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5826,16 +5826,16 @@ yocto-queue@^0.1.0:
   resolved "https://registry.yarnpkg.com/yocto-queue/-/yocto-queue-0.1.0.tgz#0294eb3dee05028d31ee1a5fa2c556a6aaf10a1b"
   integrity sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==
 
-zod@^3.23.8, zod@^3.24.2:
-  version "3.24.2"
-  resolved "https://registry.yarnpkg.com/zod/-/zod-3.24.2.tgz#8efa74126287c675e92f46871cfc8d15c34372b3"
-  integrity sha512-lY7CDW43ECgW9u1TcT3IoXHflywfVqDYze4waEz812jR/bZ8FHDsl7pFQoSZTz5N+2NqRXs8GBwnAwo3ZNxqhQ==
-
-zod@^3.25.63:
+zod@^3.24.2, zod@^3.25.63:
   version "3.25.76"
   resolved "https://registry.yarnpkg.com/zod/-/zod-3.25.76.tgz#26841c3f6fd22a6a2760e7ccb719179768471e34"
   integrity sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==
 
+zod@^4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/zod/-/zod-4.0.2.tgz#7d36625c30d8ea8592868baed7e7089f5ffb15d3"
+  integrity sha512-X2niJNY54MGam4L6Kj0AxeedeDIi/E5QFW0On2faSX5J4/pfLk1tW+cRMIMoojnCavn/u5W/kX17e1CSGnKMxA==
+
 zustand@^4.5.4:
   version "4.5.6"
   resolved "https://registry.yarnpkg.com/zustand/-/zustand-4.5.6.tgz#6857d52af44874a79fb3408c9473f78367255c96"