diff --git a/elements/date/version.php b/elements/date/version.php
index efce348..e831571 100644
--- a/elements/date/version.php
+++ b/elements/date/version.php
@@ -25,6 +25,6 @@
 
 defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
 
-$plugin->version   = 2013031300;
-$plugin->requires  = 2012112900;
+$plugin->version   = 2013041200;
+$plugin->requires  = 2013040500; // Requires this Moodle version.
 $plugin->component = 'customcertelement_date';
diff --git a/elements/grade/version.php b/elements/grade/version.php
index c9cb902..dd4d841 100644
--- a/elements/grade/version.php
+++ b/elements/grade/version.php
@@ -25,6 +25,6 @@
 
 defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
 
-$plugin->version   = 2013031300;
-$plugin->requires  = 2012112900;
+$plugin->version   = 2013041200;
+$plugin->requires  = 2013040500; // Requires this Moodle version.
 $plugin->component = 'customcertelement_grade';
diff --git a/elements/studentname/version.php b/elements/studentname/version.php
index 418ef5b..d854b1f 100644
--- a/elements/studentname/version.php
+++ b/elements/studentname/version.php
@@ -25,6 +25,6 @@
 
 defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
 
-$plugin->version   = 2013022901;
-$plugin->requires  = 2012112900;
+$plugin->version   = 2013041200;
+$plugin->requires  = 2013040500; // Requires this Moodle version.
 $plugin->component = 'customcertelement_studentname';
diff --git a/version.php b/version.php
index bda15f6..0e9cacd 100644
--- a/version.php
+++ b/version.php
@@ -26,10 +26,10 @@
 
 defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
 
-$module->version   = 2013022101; // The current module version (Date: YYYYMMDDXX)
-$module->requires  = 2012062500; // Requires this Moodle version
-$module->cron      = 0; // Period for cron to check this module (secs)
+$module->version   = 2013041200; // The current module version (Date: YYYYMMDDXX).
+$module->requires  = 2013040500; // Requires this Moodle version.
+$module->cron      = 0; // Period for cron to check this module (secs).
 $module->component = 'mod_customcert';
 
 $module->maturity  = MATURITY_ALPHA;
-$module->release   = "Alpha release"; // User-friendly version number
+$module->release   = "Alpha release"; // User-friendly version number.