diff --git a/packages/react-components/react-timepicker-compat/stories/tsconfig.lib.json b/packages/react-components/react-timepicker-compat/stories/tsconfig.lib.json
index 9486b224643d9f..b5a31ea0295ce2 100644
--- a/packages/react-components/react-timepicker-compat/stories/tsconfig.lib.json
+++ b/packages/react-components/react-timepicker-compat/stories/tsconfig.lib.json
@@ -1,7 +1,7 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
-    "lib": ["ES2019", "dom"],
+    "lib": ["ES2019", "ES2020.Intl", "dom"],
     "outDir": "../../../../dist/out-tsc",
     "inlineSources": true,
     "types": ["static-assets", "environment"]