diff --git a/version.php b/version.php
index 81eb1f0c..35b2843b 100644
--- a/version.php
+++ b/version.php
@@ -26,7 +26,7 @@
 $plugin->component = 'block_opencast';
 $plugin->release = 'v4.3-r1';
 $plugin->version = 2023112200;
-$plugin->requires = 2020061524; // Requires Moodle 3.9+.
+$plugin->requires = 2022112800; // Requires Moodle 4.1+.
 $plugin->maturity = MATURITY_STABLE;
 $plugin->dependencies = [
     'tool_opencast' => 2023112200,