diff --git a/README.md b/README.md
index b6cfcad..7a4e743 100644
--- a/README.md
+++ b/README.md
@@ -17,5 +17,5 @@ composer require rmphp/kernel:"^1.0"
 Dev version contains the latest changes
 
 ```bash
-composer require rmphp/kernel:"1.0.x-dev"
+composer require rmphp/kernel:"1.x-dev"
 ```