diff --git a/api-generator/components/button.js b/api-generator/components/button.js
index 5e83c6cf4..486dbfcce 100644
--- a/api-generator/components/button.js
+++ b/api-generator/components/button.js
@@ -57,7 +57,7 @@ const ButtonProps = [
         name: 'severity',
         type: 'string',
         default: 'null',
-        description: 'Defines the style of the button, valid values are "secondary", "success", "info", "warning", "help", "danger".'
+        description: 'Defines the style of the button, valid values are "secondary", "success", "info", "warning", "help", "danger", "contrast".'
     },
     {
         name: 'raised',
diff --git a/components/lib/button/Button.d.ts b/components/lib/button/Button.d.ts
index 768e3ff28..e323b3706 100755
--- a/components/lib/button/Button.d.ts
+++ b/components/lib/button/Button.d.ts
@@ -137,7 +137,7 @@ export interface ButtonProps extends ButtonHTMLAttributes {
     /**
      * Defines the style of the button.
      */
-    severity?: 'secondary' | 'success' | 'info' | 'warning' | 'help' | 'danger' | string | undefined;
+    severity?: 'secondary' | 'success' | 'info' | 'warning' | 'help' | 'danger' | 'contrast' | string | undefined;
     /**
      * Add a shadow to indicate elevation.
      * @defaultValue false