diff --git a/src/index.d.ts b/src/index.d.ts
index 917d99f30d70d2..0e573b37b39be0 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -107,6 +107,7 @@ export { default as Select } from './Select';
 export { default as Snackbar, SnackbarContent } from './Snackbar';
 export { default as Stepper, Step, StepButton, StepContent, StepIcon, StepLabel } from './Stepper';
 export {
+  createGenerateClassName,
   createMuiTheme,
   jssPreset,
   MuiThemeProvider,
diff --git a/src/index.js b/src/index.js
index fdc8f5475d9342..bc02069ce5db7a 100644
--- a/src/index.js
+++ b/src/index.js
@@ -54,7 +54,14 @@ export { default as Radio, RadioGroup } from './Radio';
 export { default as Select } from './Select';
 export { default as Snackbar, SnackbarContent } from './Snackbar';
 export { default as Stepper, Step, StepButton, StepIcon, StepContent, StepLabel } from './Stepper';
-export { MuiThemeProvider, withStyles, withTheme, createMuiTheme, jssPreset } from './styles';
+export {
+  createGenerateClassName,
+  createMuiTheme,
+  jssPreset,
+  MuiThemeProvider,
+  withStyles,
+  withTheme,
+} from './styles';
 
 // eslint-disable-next-line import/first
 import * as colors from './colors';