diff --git a/ext_emconf.php b/ext_emconf.php
index fbce7fb7..2ca420a6 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -22,7 +22,7 @@
     'author_company' => 'clickstorm GmbH',
     'state' => 'stable',
     'clearCacheOnLoad' => 1,
-    'version' => '4.2.1-dev',
+    'version' => '4.2.1',
     'constraints' => [
         'depends' => [
             'typo3' => '9.5.0-9.5.99',