diff --git a/README.md b/README.md
index 7363951..f828e9c 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ PHP data encryptor using open_ssl
 Use composer to install the lib :
 
 ```bash
-composer require nmure/encryptor "dev-master"
+composer require nmure/encryptor "~1.0.0"
 ```
 
 ## Usage