diff --git a/types/react-bootstrap-typeahead/index.d.ts b/types/react-bootstrap-typeahead/index.d.ts
index 2f1ad8b7be..93fa2c9c6a 100644
--- a/types/react-bootstrap-typeahead/index.d.ts
+++ b/types/react-bootstrap-typeahead/index.d.ts
@@ -107,6 +107,8 @@ export interface TypeaheadContainerProps<T extends TypeaheadModel> {
     text: string;
 }
 
+export type TypeaheadResult<T extends TypeaheadModel> = T & { customOption: boolean };
+
 export interface TypeaheadProps<T extends TypeaheadModel> {
     /* For localized accessibility: Should return a string indicating the number of results for screen readers.
     Receives the current results. */
@@ -252,10 +254,10 @@ export interface TypeaheadProps<T extends TypeaheadModel> {
     placeholder?: string;
 
     /* Callback for custom menu rendering. */
-    renderMenu?: (results: T[], menuProps: any) => React.ReactNode;
+    renderMenu?: (results: Array<TypeaheadResult<T>>, menuProps: any) => React.ReactNode;
 
     /* Provides a hook for customized rendering of menu item contents. */
-    renderMenuItemChildren?: (option: T, props: TypeaheadMenuProps<T>, index: number) => React.ReactNode;
+    renderMenuItemChildren?: (option: TypeaheadResult<T>, props: TypeaheadMenuProps<T>, index: number) => React.ReactNode;
 
     /* Provides a hook for customized rendering of tokens when multiple selections are enabled. */
     renderToken?: (selectedItem: T, props: TypeaheadMenuProps<T>, index: number) => React.ReactNode;
diff --git a/types/react-bootstrap-typeahead/react-bootstrap-typeahead-tests.tsx b/types/react-bootstrap-typeahead/react-bootstrap-typeahead-tests.tsx
index 7e2c3a29a6..f331752cbb 100644
--- a/types/react-bootstrap-typeahead/react-bootstrap-typeahead-tests.tsx
+++ b/types/react-bootstrap-typeahead/react-bootstrap-typeahead-tests.tsx
@@ -107,6 +107,21 @@ class BasicExample extends React.Component {
                         </Highlighter>
                     }
                 />
+                <Typeahead
+                    labelKey="name"
+                    options={options}
+                    placeholder="Choose a state..."
+                    renderMenu={(results, menuProps) => (
+                      <Menu {...menuProps}>
+                        { results.map((result, index) => (
+                          <MenuItem option={result} position={index} key={index}>
+                            { result.customOption && 'New: ' }
+                            <Highlighter search={menuProps.text}>{result.name}</Highlighter>
+                          </MenuItem>
+                        )) }
+                      </Menu>
+                    )}
+                />
                 <Typeahead
                     labelKey="name"
                     options={options}