diff --git a/administrator/manifests/files/joomla.xml b/administrator/manifests/files/joomla.xml
index 7722efbc75e2a..04564554c0f83 100644
--- a/administrator/manifests/files/joomla.xml
+++ b/administrator/manifests/files/joomla.xml
@@ -6,7 +6,7 @@
 	<authorUrl>www.joomla.org</authorUrl>
 	<copyright>(C) 2019 Open Source Matters, Inc.</copyright>
 	<license>GNU General Public License version 2 or later; see LICENSE.txt</license>
-	<version>5.1.1-rc2-dev</version>
+	<version>5.1.1</version>
 	<creationDate>2024-05</creationDate>
 	<description>FILES_JOOMLA_XML_DESCRIPTION</description>
 
diff --git a/libraries/src/Version.php b/libraries/src/Version.php
index c8d508091c84e..e5b233d013586 100644
--- a/libraries/src/Version.php
+++ b/libraries/src/Version.php
@@ -66,7 +66,7 @@ final class Version
      * @var    string
      * @since  3.8.0
      */
-    public const EXTRA_VERSION = 'rc2-dev';
+    public const EXTRA_VERSION = '';
 
     /**
      * Development status.
@@ -74,7 +74,7 @@ final class Version
      * @var    string
      * @since  3.5
      */
-    public const DEV_STATUS = 'Development';
+    public const DEV_STATUS = 'Stable';
 
     /**
      * Code name.
@@ -90,7 +90,7 @@ final class Version
      * @var    string
      * @since  3.5
      */
-    public const RELDATE = '20-May-2024';
+    public const RELDATE = '28-May-2024';
 
     /**
      * Release time.
@@ -98,7 +98,7 @@ final class Version
      * @var    string
      * @since  3.5
      */
-    public const RELTIME = '17:46';
+    public const RELTIME = '16:00';
 
     /**
      * Release timezone.