diff --git a/package.json b/package.json
index fe2d089..5b80b96 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@actions/core": "^1.10.1",
     "@actions/exec": "^1.1.1",
     "ini": "^5.0.0",
-    "zod": "^3.23.8"
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@tsconfig/recommended": "^1.0.7",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 153be68..6ff0aa7 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -18,8 +18,8 @@ importers:
         specifier: ^5.0.0
         version: 5.0.0
       zod:
-        specifier: ^3.23.8
-        version: 3.24.4
+        specifier: ^4.0.0
+        version: 4.3.6
     devDependencies:
       '@tsconfig/recommended':
         specifier: ^1.0.7
@@ -525,6 +525,7 @@ packages:
 
   glob@10.4.5:
     resolution: {integrity: sha512-7Bv8RF0k6xjo7d4A/PxYLbUCfb6c+Vpd2/mB2yRDlew7Jb5hEXiCD9ibfO7wpk8i4sevK6DFny9h7EYbM3/sHg==}
+    deprecated: Old versions of glob are not supported, and contain widely publicized security vulnerabilities, which have been fixed in the current version. Please update. Support for old versions may be purchased (at exorbitant rates) by contacting i@izs.me
     hasBin: true
 
   has-flag@4.0.0:
@@ -813,8 +814,8 @@ packages:
     resolution: {integrity: sha512-si7QWI6zUMq56bESFvagtmzMdGOtoxfR+Sez11Mobfc7tm+VkUckk9bW2UeffTGVUbOksxmSw0AA2gs8g71NCQ==}
     engines: {node: '>=12'}
 
-  zod@3.24.4:
-    resolution: {integrity: sha512-OdqJE9UDRPwWsrHjLN2F8bPxvwJBK22EHLWtanu0LSYr5YqzsaaW3RMgmjwr8Rypg5k+meEJdSPXJZXE/yqOMg==}
+  zod@4.3.6:
+    resolution: {integrity: sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg==}
 
 snapshots:
 
@@ -1483,4 +1484,4 @@ snapshots:
       string-width: 5.1.2
       strip-ansi: 7.1.0
 
-  zod@3.24.4: {}
+  zod@4.3.6: {}