diff --git a/package-lock.json b/package-lock.json
index 3f87b1001..22bc8dab2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19340,9 +19340,9 @@
       }
     },
     "node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
+      "version": "4.0.5",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.0.5.tgz",
+      "integrity": "sha512-/5UuuRPStvHXu7RS+gmvRf4NXrNxpSllGwDnCBcJZtQsKrviYXm54yDGV2KYNLT5kq0lHGcl7lqWJLgSaG+tgA==",
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
@@ -19380,7 +19380,7 @@
         "pino": "^9.7.0",
         "pino-pretty": "^13.0.0",
         "pug": "^3.0.2",
-        "zod": "^3.25.76",
+        "zod": "^4.0.5",
         "zod-to-json-schema": "^3.24.6"
       },
       "devDependencies": {
@@ -19798,7 +19798,7 @@
         "vue": "^3.5.17",
         "vue-i18n": "^11.1.9",
         "vue-router": "^4.5.1",
-        "zod": "^3.25.76"
+        "zod": "^4.0.5"
       },
       "devDependencies": {
         "@commitlint/cli": "^19.8.1",
diff --git a/services/backend/package.json b/services/backend/package.json
index bafc8444a..8bb8873a9 100644
--- a/services/backend/package.json
+++ b/services/backend/package.json
@@ -38,7 +38,7 @@
     "pino": "^9.7.0",
     "pino-pretty": "^13.0.0",
     "pug": "^3.0.2",
-    "zod": "^3.25.76",
+    "zod": "^4.0.5",
     "zod-to-json-schema": "^3.24.6"
   },
   "devDependencies": {
diff --git a/services/frontend/package.json b/services/frontend/package.json
index f1160c26a..2872d7e78 100644
--- a/services/frontend/package.json
+++ b/services/frontend/package.json
@@ -30,7 +30,7 @@
     "vue": "^3.5.17",
     "vue-i18n": "^11.1.9",
     "vue-router": "^4.5.1",
-    "zod": "^3.25.76"
+    "zod": "^4.0.5"
   },
   "devDependencies": {
     "@commitlint/cli": "^19.8.1",