diff --git a/index.d.ts b/index.d.ts
index 075ae3dc..f6899532 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -23,8 +23,10 @@ declare module 'rn-viewpager' {
       autoPlayEnable?: boolean;
       autoPlayInterval?: boolean;
       horizontalScroll?: boolean;
-
+      onPageScroll?(e: ViewPagerAndroidOnPageScrollEventData): void;
+      onPageSelected?(e: ViewPagerAndroidOnPageScrollEventData): void;
     }
+
     export class IndicatorViewPager extends React.Component<IndicatorViewPagerProps> {
       setPage(selectedPage: number): void;
       setPageWithoutAnimation(selectedPage: number): void;