diff --git a/packages/native/types/index.d.ts b/packages/native/types/index.d.ts
index 975f2a7bf..e7c603636 100644
--- a/packages/native/types/index.d.ts
+++ b/packages/native/types/index.d.ts
@@ -1,5 +1,5 @@
 // Definitions by: Pat Sissons <https://github.com/patsissons>
-// TypeScript Version: 3.4
+// TypeScript Version: 4.1
 
 import * as RN from 'react-native'
 import { Theme } from '@emotion/react'
diff --git a/packages/react/types/index.d.ts b/packages/react/types/index.d.ts
index 546becea7..343fcf296 100644
--- a/packages/react/types/index.d.ts
+++ b/packages/react/types/index.d.ts
@@ -1 +1,2 @@
+// TypeScript Version: 4.1
 export * from '..'
diff --git a/packages/styled/types/index.d.ts b/packages/styled/types/index.d.ts
index 28ef9a2d4..277e423f3 100644
--- a/packages/styled/types/index.d.ts
+++ b/packages/styled/types/index.d.ts
@@ -1,5 +1,5 @@
 // Definitions by: Junyoung Clare Jang <https://github.com/Ailrun>
-// TypeScript Version: 3.2
+// TypeScript Version: 4.1
 
 import { Theme } from '@emotion/react'
 import { CreateStyled as BaseCreateStyled, CreateStyledComponent } from './base'