diff --git a/package.json b/package.json
index e44407b..39c4f70 100644
--- a/package.json
+++ b/package.json
@@ -88,7 +88,7 @@
     "typescript": "^5.8.3",
     "yargs": "^18.0.0",
     "zod": "^3.23.8",
-    "zod-validation-error": "^4.0.1"
+    "zod-validation-error": "^5.0.0"
   },
   "devDependencies": {
     "@anthropic-ai/claude-code": "^2.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9036b1a..6af0b08 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -120,8 +120,8 @@ importers:
         specifier: ^3.23.8
         version: 3.25.76
       zod-validation-error:
-        specifier: ^4.0.1
-        version: 4.0.2(zod@3.25.76)
+        specifier: ^5.0.0
+        version: 5.0.0(zod@3.25.76)
     devDependencies:
       '@anthropic-ai/claude-code':
         specifier: ^2.0.0
@@ -7203,8 +7203,8 @@ packages:
     peerDependencies:
       zod: ^3.24.1
 
-  zod-validation-error@4.0.2:
-    resolution: {integrity: sha512-Q6/nZLe6jxuU80qb/4uJ4t5v2VEZ44lzQjPDhYJNztRQ4wyWc6VF3D3Kb/fAuPetZQnhS3hnajCf9CsWesghLQ==}
+  zod-validation-error@5.0.0:
+    resolution: {integrity: sha512-hmk+pkyKq7Q71PiWVSDUc3VfpzpvcRHZ3QPw9yEMVvmtCekaMeOHnbr3WbxfrgEnQTv6haGP4cmv0Ojmihzsxw==}
     engines: {node: '>=18.0.0'}
     peerDependencies:
       zod: ^3.25.0 || ^4.0.0
@@ -15410,7 +15410,7 @@ snapshots:
     dependencies:
       zod: 3.25.76
 
-  zod-validation-error@4.0.2(zod@3.25.76):
+  zod-validation-error@5.0.0(zod@3.25.76):
     dependencies:
       zod: 3.25.76