diff --git a/packages/widget/src/config/theme.ts b/packages/widget/src/config/theme.ts
index a23cbbc83..b40444a18 100644
--- a/packages/widget/src/config/theme.ts
+++ b/packages/widget/src/config/theme.ts
@@ -8,9 +8,9 @@ import {
   createTheme as createMuiTheme,
   darken,
   getContrastRatio,
+  keyframes,
   lighten,
 } from '@mui/material/styles';
-import { keyframes } from '@mui/system';
 import type { ThemeConfig } from '../types';
 
 // https://mui.com/customization/palette/