diff --git a/ChangeLog b/ChangeLog
index acedc1f40..ffb789edb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 ChangeLog
 
-Upcoming version
+Version 5.2.1, 12 January 2024
 [TASK]    Remove dependency to AbstractPlugin, https://github.com/tpwd/ke_search/issues/204
 [TASK]    Remove usages of GeneralUtility::_GET, GeneralUtility::_GP, $_GET and $_POST, https://github.com/tpwd/ke_search/issues/205
 [TASK]    Refactor id variable in BackendModuleController to make extension scanner happy
diff --git a/ext_emconf.php b/ext_emconf.php
index 1867ee878..bbd92e6c7 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -5,7 +5,7 @@
     'title' => 'Faceted Search',
     'description' => 'Faceted fulltext search for TYPO3. Fast, flexible and easy to install and use. Indexes content directly from the databases. Features faceting / filtering, file indexing, images in result lists and respects access restrictions.',
     'category' => 'plugin',
-    'version' => '5.2.0',
+    'version' => '5.2.1',
     'state' => 'stable',
     'author' => 'ke_search Dev Team',
     'author_email' => 'ke_search@tpwd.de',