diff --git a/version.php b/version.php
index 8438dc1..3e48882 100644
--- a/version.php
+++ b/version.php
@@ -29,4 +29,4 @@ $plugin->release   = 2022011600;        // Match release exactly to version.
 $plugin->requires  = 2017051500;        // Requires Moodle 3.3 version.
 $plugin->component = 'auth_userkey';    // Full name of the plugin (used for diagnostics).
 $plugin->maturity  = MATURITY_STABLE;
-$plugin->supported = [33, 401];         // A range of branch numbers of supported moodle versions.
+$plugin->supported = [33, 310];         // A range of branch numbers of supported moodle versions.