diff --git a/types/react-color/index.d.ts b/types/react-color/index.d.ts
index 798f44d6eb..579ec8e73a 100644
--- a/types/react-color/index.d.ts
+++ b/types/react-color/index.d.ts
@@ -1,6 +1,6 @@
 // Type definitions for react-color 2.11
 // Project: https://github.com/casesandberg/react-color/
-// Definitions by: Karol Janyst <https://github.com/LKay>
+// Definitions by: Karol Janyst <https://github.com/LKay>, Marks Polakovs <https://github.com/markspolakovs>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.1
 
diff --git a/types/react-color/lib/components/github/Github.d.ts b/types/react-color/lib/components/github/Github.d.ts
index fd1479abad..05df2f01a9 100644
--- a/types/react-color/lib/components/github/Github.d.ts
+++ b/types/react-color/lib/components/github/Github.d.ts
@@ -4,6 +4,7 @@ import { ColorPickerProps } from "react-color";
 export interface GithubPickerProps extends ColorPickerProps<GithubPicker> {
     colors?: string[];
     width?: string;
+    triangle?: 'hide' | 'top-left' | 'top-right';
 }
 
 export default class GithubPicker extends Component<GithubPickerProps, any> {}