diff --git a/book/installation.rst b/book/installation.rst
index 3604f1236c5..c5a7ed955ff 100644
--- a/book/installation.rst
+++ b/book/installation.rst
@@ -57,7 +57,7 @@ Distribution:
 
 .. code-block:: bash
 
-    $ php composer.phar create-project symfony/framework-standard-edition /path/to/webroot/Symfony 2.4.*
+    $ php composer.phar create-project symfony/framework-standard-edition /path/to/webroot/Symfony dev-master
 
 .. tip::