diff --git a/apps/rush-lib/package.json b/apps/rush-lib/package.json
index d66d680d4be..9f23934c025 100644
--- a/apps/rush-lib/package.json
+++ b/apps/rush-lib/package.json
@@ -54,7 +54,7 @@
     "tar": "~5.0.5",
     "true-case-path": "~2.2.1",
     "wordwrap": "~1.0.0",
-    "z-schema": "~3.18.3"
+    "z-schema": "~4.2.4"
   },
   "devDependencies": {
     "@rushstack/eslint-config": "workspace:*",