diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4996b17fda..d26000f649 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # CHANGELOG
 
+* 3.9.0 (xxxx-xx-xx)
+
 * 3.8.0 (2013-xx-xx)
 
   - BC Break : Removed `bin/console check:system` command, replaced by `bin/setup check:system`.
diff --git a/README.md b/README.md
index cf9fb80be8..1df13aa3ef 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
-Phraseanet 3.8 - Digital Asset Management application
-=================================================
+Phraseanet 3.9 - Digital Asset Management application
+=====================================================
 
 [![Build Status](https://secure.travis-ci.org/alchemy-fr/Phraseanet.png?branch=master)](http://travis-ci.org/alchemy-fr/Phraseanet)
 
diff --git a/UPGRADE-3.9.md b/UPGRADE-3.9.md
new file mode 100644
index 0000000000..a8d0b5b32e
--- /dev/null
+++ b/UPGRADE-3.9.md
@@ -0,0 +1,3 @@
+# UPGRADE FROM 3.8 to 3.9
+
+Here will come some advices
diff --git a/bower.json b/bower.json
index 817a0a2f4c..6755db22a7 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "Phraseanet",
-  "version": "3.8.0",
+  "version": "3.9.0",
   "dependencies": {
     "bootstrap": "~2.2.2",
     "jquery": "~1.8.3",
diff --git a/composer.json b/composer.json
index 6e12f90c7e..7154a514c7 100644
--- a/composer.json
+++ b/composer.json
@@ -66,7 +66,7 @@
     "include-path": ["vendor/zend/gdata/library"],
     "extra": {
         "branch-alias": {
-            "dev-master": "3.8-dev"
+            "dev-master": "3.9-dev"
         }
     }
 }
diff --git a/lib/Alchemy/Phrasea/Core/Version.php b/lib/Alchemy/Phrasea/Core/Version.php
index bee5607250..5de67b440b 100644
--- a/lib/Alchemy/Phrasea/Core/Version.php
+++ b/lib/Alchemy/Phrasea/Core/Version.php
@@ -18,8 +18,8 @@ namespace Alchemy\Phrasea\Core;
  */
 class Version
 {
-    protected static $number = '3.8.0.a18';
-    protected static $name = 'Carnosaurus';
+    protected static $number = '3.9.0.a0';
+    protected static $name = 'Diplodocus';
 
     public static function getNumber()
     {