diff --git a/packages/mui-material/src/Slider/Slider.d.ts b/packages/mui-material/src/Slider/Slider.d.ts
index fe1e06a53ea74a..907d40a5e039c3 100644
--- a/packages/mui-material/src/Slider/Slider.d.ts
+++ b/packages/mui-material/src/Slider/Slider.d.ts
@@ -284,7 +284,7 @@ export interface SliderValueLabelProps extends React.HTMLAttributes<HTMLSpanElem
   children: React.ReactElement<unknown>;
   index: number;
   open: boolean;
-  value: number;
+  value: React.ReactNode;
 }
 
 type SliderRootProps = NonNullable<SliderTypeMap['props']['componentsProps']>['root'];
diff --git a/packages/mui-material/src/Slider/Slider.js b/packages/mui-material/src/Slider/Slider.js
index a2c7805564c2a8..44ca12235bb555 100644
--- a/packages/mui-material/src/Slider/Slider.js
+++ b/packages/mui-material/src/Slider/Slider.js
@@ -442,7 +442,7 @@ SliderValueLabel.propTypes /* remove-proptypes */ = {
   /**
    * @ignore
    */
-  value: PropTypes.number.isRequired,
+  value: PropTypes.node,
 };
 
 export { SliderValueLabel };