diff --git a/ChangeLog b/ChangeLog
index dab7af343e..602ac5775c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,8 @@
 phpMyAdmin - ChangeLog
 ======================
 
+5.2.4 (not yet released)
+
 5.2.3 (2025-10-07)
 - issue #19548 Fix missing tooltip in status monitor log table
 - issue #19619 Fix horizontal scrollbar in server status pages
diff --git a/README b/README
index 27c920bc99..f92a469442 100644
--- a/README
+++ b/README
@@ -1,7 +1,7 @@
 phpMyAdmin - Readme
 ===================
 
-Version 5.2.3
+Version 5.2.4-dev
 
 A web interface for MySQL and MariaDB.
 
diff --git a/doc/conf.py b/doc/conf.py
index a8057e82b0..a5c091d21f 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -51,7 +51,7 @@ copyright = u'2012 - 2025, The phpMyAdmin devel team'
 # built documents.
 #
 # The short X.Y version.
-version = '5.2.3'
+version = '5.2.4-dev'
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/libraries/classes/Version.php b/libraries/classes/Version.php
index d9d09cce74..67058bbd05 100644
--- a/libraries/classes/Version.php
+++ b/libraries/classes/Version.php
@@ -14,12 +14,12 @@ use const VERSION_SUFFIX;
 final class Version
 {
     // The VERSION_SUFFIX constant is defined at libraries/constants.php
-    public const VERSION = '5.2.3' . VERSION_SUFFIX;
+    public const VERSION = '5.2.4-dev' . VERSION_SUFFIX;
     public const SERIES = '5.2';
     public const MAJOR = 5;
     public const MINOR = 2;
-    public const PATCH = 3;
-    public const ID = 50203;
-    public const PRE_RELEASE_NAME = '';
-    public const IS_DEV = false;
+    public const PATCH = 4;
+    public const ID = 50204;
+    public const PRE_RELEASE_NAME = 'dev';
+    public const IS_DEV = true;
 }
diff --git a/package.json b/package.json
index 532c87642b..f6f20476e2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "phpmyadmin",
-  "version": "5.2.3",
+  "version": "5.2.4-dev",
   "description": "A web interface for MySQL and MariaDB",
   "repository": "https://github.com/phpmyadmin/phpmyadmin.git",
   "author": "The phpMyAdmin Team <developers@phpmyadmin.net> (https://www.phpmyadmin.net/team/)",