diff --git a/packages/test-utils/tsconfig.json b/packages/test-utils/tsconfig.json
index ee9b84b1b4..3bd258dbc0 100644
--- a/packages/test-utils/tsconfig.json
+++ b/packages/test-utils/tsconfig.json
@@ -2,7 +2,7 @@
   "extends": "../../tsconfig.json",
   "compilerOptions": {
     "outDir": "dist",
-    "lib": ["DOM", "DOM.Iterable", "ES2021"],
+    "lib": ["DOM", "DOM.Iterable", "ES2023"],
     "composite": true,
     "types": ["node"]
   },