diff --git a/version.php b/version.php
index 6fcb6ad..4b1fab0 100644
--- a/version.php
+++ b/version.php
@@ -28,6 +28,6 @@
 defined('MOODLE_INTERNAL') || die();
 
 $plugin->version   = 2013072411;        // The current plugin version (Date: YYYYMMDDXX)
-$plugin->requires  = 2012112900;        // Requires this Moodle version
+$plugin->requires  = 2013051400;        // Requires this Moodle version (2.5)
 $plugin->component = 'auth_ip';         // Full name of the plugin (used for diagnostics)