diff --git a/packages/material-ui/src/Popper/Popper.d.ts b/packages/material-ui/src/Popper/Popper.d.ts
index 2ccd0eadda7c7d..f2a8412256a821 100644
--- a/packages/material-ui/src/Popper/Popper.d.ts
+++ b/packages/material-ui/src/Popper/Popper.d.ts
@@ -18,6 +18,7 @@ export type PopperPlacementType =
   | 'top';
 
 export interface PopperProps extends Omit<React.HTMLAttributes<HTMLDivElement>, 'children'> {
+  ref?: React.Ref<HTMLDivElement>;
   /**
    * A HTML element, [referenceObject](https://popper.js.org/docs/v1/#referenceObject),
    * or a function that returns either.