diff --git a/types/react-native-calendars/index.d.ts b/types/react-native-calendars/index.d.ts
index 20adae432a..402a3fff1a 100644
--- a/types/react-native-calendars/index.d.ts
+++ b/types/react-native-calendars/index.d.ts
@@ -25,7 +25,7 @@ export interface CalendarDot {
 }
 
 export interface CalendarThemeIdStyle {
-    [themeId: string]: ViewStyle;
+    [themeId: string]: ViewStyle | TextStyle;
 }
 
 export interface CalendarTheme {