diff --git a/version.php b/version.php
index 3fbf5e8..9f788fa 100644
--- a/version.php
+++ b/version.php
@@ -26,6 +26,6 @@ defined('MOODLE_INTERNAL') || die();
 $plugin->version  = 2018051400;
 $plugin->requires = 2018050800; // Requires 3.5.
 $plugin->release = '3.5.0';
-$plugin->maturity  = MATURITY_ALPHA;
+$plugin->maturity  = MATURITY_STABLE;
 $plugin->cron     = 0;
 $plugin->component = 'mod_attendance';