diff --git a/package.json b/package.json
index 84ee013..cb0eb0b 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "@octokit/plugin-throttling": "11.0.3",
     "@probot/octokit-plugin-config": "4.1.0",
     "deepmerge": "4.3.1",
-    "zod": "4.4.1"
+    "zod": "4.5.4"
   },
   "devDependencies": {
     "@total-typescript/ts-reset": "0.6.1",
diff --git a/yarn.lock b/yarn.lock
index a0e4bbb..2ba3988 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1360,7 +1360,7 @@ __metadata:
     prettier: "npm:3.8.3"
     typescript: "npm:6.0.3"
     vitest: "npm:4.1.5"
-    zod: "npm:4.4.1"
+    zod: "npm:4.5.4"
   languageName: unknown
   linkType: soft
 
@@ -1731,9 +1731,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"zod@npm:4.4.1":
-  version: 4.4.1
-  resolution: "zod@npm:4.4.1"
-  checksum: 10c0/55714c4bea81f7851ac46bf9edfde7c63ed6677a6cc8971ed3a526a079de3ffbe2bd56160327d22e070f72854fc4485b98ab7373255b6b69d64d9067caec864e
+"zod@npm:4.5.4":
+  version: 4.5.4
+  resolution: "zod@npm:4.5.4"
+  checksum: 10c0/511a2a4d1a6f875dfdd70a1586989a8b14ef126776cd6218a2c760b9f65f14ef389ec20d92ee1aa4fcb4566d4ff3fa012956044f9dc503510d82e4c756a8ba92
   languageName: node
   linkType: hard