diff --git a/confirm.php b/confirm.php
index 800806b..742aafc 100644
--- a/confirm.php
+++ b/confirm.php
@@ -26,6 +26,10 @@
 
 require('../../config.php');
 require_once($CFG->libdir.'/authlib.php');
+require_once($CFG->libdir.'/adminlib.php');
+
+require_login();
+require_capability('moodle/user:update', context_system::instance());
 
 $data = optional_param('data', '', PARAM_RAW);  // Formatted as:  secret/username.
 
diff --git a/version.php b/version.php
index f54714c..cfe3d2d 100644
--- a/version.php
+++ b/version.php
@@ -26,8 +26,8 @@
 
 defined('MOODLE_INTERNAL') || die;
 
-$plugin->version   = 2017072000;        // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version   = 2019070400;        // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires  = 2015051101;        // Requires this Moodle version.
 $plugin->component = 'auth_emailadmin';      // Full name of the plugin (used for diagnostics).
 $plugin->maturity = MATURITY_STABLE;
-$plugin->release = '1.4.1';
+$plugin->release = '1.4.2';