diff --git a/src/index.d.ts b/src/index.d.ts
index 90c4c61d..a6d3cec9 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -48,13 +48,13 @@ export interface IconProps {
 }
 
 export interface TabsSharedProps {
-  tabTextActiveStyle: TextStyle;
-  tabTextContainerActiveStyle: ViewStyle;
-  tabTextContainerStyle: ViewStyle;
-  tabTextStyle: TextStyle;
-  tabWrapperStyle: ViewStyle;
-  tabs: Tab[];
-  tabsContainerStyle: ViewStyle;
+  tabTextActiveStyle?: TextStyle;
+  tabTextContainerActiveStyle?: ViewStyle;
+  tabTextContainerStyle?: ViewStyle;
+  tabTextStyle?: TextStyle;
+  tabWrapperStyle?: ViewStyle;
+  tabs?: Tab[];
+  tabsContainerStyle?: ViewStyle;
 }
 
 export type TabbedHeaderProps = SharedProps &