diff --git a/ChangeLog b/ChangeLog
index 65cc9cf577..f2eb4feb6b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,8 @@
 phpMyAdmin - ChangeLog
 ======================
 
+4.8.3 (not yet released)
+
 4.8.2 (2018-06-21)
 - issue #14370 WHERE 0 causes Fatal error
 - issue #14225 Fix missing index icon
diff --git a/README b/README
index 614f90c8c0..111880fec3 100644
--- a/README
+++ b/README
@@ -1,7 +1,7 @@
 phpMyAdmin - Readme
 ===================
 
-Version 4.8.2
+Version 4.8.3-dev
 
 A web interface for MySQL and MariaDB.
 
diff --git a/doc/conf.py b/doc/conf.py
index 09b1740027..a450309e49 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -51,7 +51,7 @@ copyright = u'2012 - 2018, The phpMyAdmin devel team'
 # built documents.
 #
 # The short X.Y version.
-version = '4.8.2'
+version = '4.8.3-dev'
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/libraries/classes/Config.php b/libraries/classes/Config.php
index 0c8d6642b0..8e59d78a87 100644
--- a/libraries/classes/Config.php
+++ b/libraries/classes/Config.php
@@ -116,7 +116,7 @@ class Config
      */
     public function checkSystem()
     {
-        $this->set('PMA_VERSION', '4.8.2');
+        $this->set('PMA_VERSION', '4.8.3-dev');
         /* Major version */
         $this->set(
             'PMA_MAJOR_VERSION',