diff --git a/index.d.ts b/index.d.ts
index 1e12894..53bae74 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -6,6 +6,7 @@ declare module "pull-to-refresh-react" {
    */
   export interface PullToRefreshOptions {
     pullDownHeight?: number;
+    contentBackgroundColor?: string;
   }
 
   export interface PullToRefreshProps {