diff --git a/README.md b/README.md
index 13bf5be..f24cbc0 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,6 @@ composer require rmphp/foundation:"^1.0"
 Dev version contains the latest changes
 
 ```bash
-composer require rmphp/foundation:"1.0.x-dev"
+composer require rmphp/foundation:"1.x-dev"
 ```