diff --git a/frontend/package.json b/frontend/package.json
index 1adcd31..7500f94 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -22,7 +22,7 @@
   },
   "dependencies": {
     "vue": "^3.4.0",
-    "zod": "^3.22.0"
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@playwright/test": "^1.40.0",
diff --git a/frontend/yarn.lock b/frontend/yarn.lock
index 4a00795..1658fe0 100644
--- a/frontend/yarn.lock
+++ b/frontend/yarn.lock
@@ -3326,7 +3326,7 @@ __metadata:
     vue: "npm:^3.4.0"
     vue-eslint-parser: "npm:^9.4.0"
     vue-tsc: "npm:^2.0.0"
-    zod: "npm:^3.22.0"
+    zod: "npm:^4.0.0"
   languageName: unknown
   linkType: soft
 
@@ -4361,9 +4361,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"zod@npm:^3.22.0":
-  version: 3.25.76
-  resolution: "zod@npm:3.25.76"
-  checksum: 10c0/5718ec35e3c40b600316c5b4c5e4976f7fee68151bc8f8d90ec18a469be9571f072e1bbaace10f1e85cf8892ea12d90821b200e980ab46916a6166a4260a983c
+"zod@npm:^4.0.0":
+  version: 4.4.3
+  resolution: "zod@npm:4.4.3"
+  checksum: 10c0/7ea31b558e88f9faf44f31dd185e2e1cbf51fed3081787fb96cc2534749b50c0acfc6da7f0922a7353ed092dd358c7d50c28ea96c94d04af64191bd33152eca3
   languageName: node
   linkType: hard