diff --git a/ChangeLog b/ChangeLog
index d0bd66a90e..945c43be17 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,8 @@
 phpMyAdmin - ChangeLog
 ======================
 
+4.5.2.0 (not yet released)
+
 4.5.1.0 (not yet released)
 - issue        Invalid argument supplied for foreach()
 - issue        array_key_exists() expects parameter 2 to be array
diff --git a/README b/README
index 1eba2efe6c..1b6cf7de5b 100644
--- a/README
+++ b/README
@@ -1,7 +1,7 @@
 phpMyAdmin - Readme
 ===================
 
-Version 4.5.1-dev
+Version 4.5.2-dev
 
 A set of PHP-scripts to manage MySQL over the web.
 
diff --git a/doc/conf.py b/doc/conf.py
index de04fbfad5..fdd697df56 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -51,7 +51,7 @@ copyright = u'2012 - 2014, The phpMyAdmin devel team'
 # built documents.
 #
 # The short X.Y version.
-version = '4.5.1-dev'
+version = '4.5.2-dev'
 # The full version, including alpha/beta/rc tags.
 release = version
 
diff --git a/libraries/Config.class.php b/libraries/Config.class.php
index b02acfc272..67b1ca1e1a 100644
--- a/libraries/Config.class.php
+++ b/libraries/Config.class.php
@@ -114,7 +114,7 @@ class PMA_Config
      */
     public function checkSystem()
     {
-        $this->set('PMA_VERSION', '4.5.1-dev');
+        $this->set('PMA_VERSION', '4.5.2-dev');
         /**
          * @deprecated
          */