diff --git a/types/makeup-expander/index.d.ts b/types/makeup-expander/index.d.ts
index 90bd660581..868aeb60ac 100644
--- a/types/makeup-expander/index.d.ts
+++ b/types/makeup-expander/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for makeup-expander 0.4
+// Type definitions for makeup-expander 0.6
 // Project: https://github.com/makeup-js/makeup-expander
 // Definitions by: Timur Manyanov <https://github.com/darkwebdev>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
@@ -16,6 +16,8 @@ declare namespace Expander {
         expandOnHover?: boolean;
         focusManagement?: string | null;
         hostSelector?: string;
+        expandedClass?: string;
+        simulateSpacebarClick?: boolean;
     }
 }
 
diff --git a/types/makeup-expander/makeup-expander-tests.ts b/types/makeup-expander/makeup-expander-tests.ts
index f35d7cd3bd..e0e280f15a 100644
--- a/types/makeup-expander/makeup-expander-tests.ts
+++ b/types/makeup-expander/makeup-expander-tests.ts
@@ -3,7 +3,8 @@ import Expander = require('makeup-expander');
 const widgetEl: HTMLElement | null = document.querySelector('.expander');
 
 const options: Expander.Options = {
-    expandOnClick: true
+    expandOnClick: true,
+    expandedClass: 'widget--expanded'
 };
 
 if (widgetEl) {