diff --git a/README.md b/README.md
index c7d2a307..09685d08 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ const { ref, reactive } = VueCompositionAPI
 
 ## TypeScript Support
 
-> TypeScript version **>3.5.1** is required
+> TypeScript version **>4.2** is required
 
 To let TypeScript properly infer types inside Vue component options, you need to define components with `defineComponent`