diff --git a/upgrade/Upgrade-4.1.0.php b/upgrade/upgrade-4.1.0.php
similarity index 100%
rename from upgrade/Upgrade-4.1.0.php
rename to upgrade/upgrade-4.1.0.php
diff --git a/upgrade/Upgrade-4.4.1.php b/upgrade/upgrade-4.4.1.php
similarity index 100%
rename from upgrade/Upgrade-4.4.1.php
rename to upgrade/upgrade-4.4.1.php