diff --git a/index.d.ts b/index.d.ts
index 0e0dd540a..9bdf30d58 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -171,7 +171,7 @@ declare module 'react-native-dropdown-picker' {
       style: StyleProp<ViewStyle>;
     }) => JSX.Element;
     arrowIconContainerStyle?: StyleProp<ViewStyle>;
-    arrowIconStyle?: StyleProp<ViewStyle>;
+    arrowIconStyle?: StyleProp<ViewStyle | ImageStyle>;
     ArrowUpIconComponent?: (props: {
       style: StyleProp<ViewStyle>;
     }) => JSX.Element;
@@ -271,7 +271,7 @@ declare module 'react-native-dropdown-picker' {
     theme?: ThemeNameType;
     TickIconComponent?: (props: { style: StyleProp<ViewStyle> }) => JSX.Element;
     tickIconContainerStyle?: StyleProp<ViewStyle>;
-    tickIconStyle?: StyleProp<ViewStyle>;
+    tickIconStyle?: StyleProp<ViewStyle | ImageStyle>;
     translation?: Partial<TranslationInterface>;
     zIndexInverse?: number;
     zIndex?: number;