diff --git a/install-dev/install_version.php b/install-dev/install_version.php
index 5d86dc4df..0eb85db70 100644
--- a/install-dev/install_version.php
+++ b/install-dev/install_version.php
@@ -24,4 +24,4 @@
 *  International Registered Trademark & Property of PrestaShop SA
 */
 
-define('_PS_INSTALL_VERSION_', '1.5.4.1');
+define('_PS_INSTALL_VERSION_', '1.5.5.0');