diff --git a/CHANGES b/CHANGES
index 76e3ab2d01..553e219503 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2,7 +2,7 @@
 CHANGELOG
 =========
 
-0.23.4 (unreleased)
+0.23.4 (2014-06-18)
 -------------------
 
 **Bug fixes**
@@ -10,6 +10,8 @@ CHANGELOG
 * Fix massive upgrade bug, where new migrations were ignored. Due to migration
   operation introduction in 0.22 installation script.
 
+Special thanks to Noël Martinon, Félix Merzeau, Gil Deluermoz and Camille Montchicourt for their patience on this.
+
 
 0.23.3 (2014-06-18)
 -------------------
diff --git a/VERSION b/VERSION
index 9e40e75c5d..40a6dfede5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.23.3
+0.23.4
diff --git a/docs/conf.py b/docs/conf.py
index a955a475ae..4ee7a27c7f 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -50,7 +50,7 @@
 # The short X.Y version.
 version = '0.23'
 # The full version, including alpha/beta/rc tags.
-release = '0.23.3'
+release = '0.23.4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/install.sh b/install.sh
index 228733d3c0..277db333af 100755
--- a/install.sh
+++ b/install.sh
@@ -20,7 +20,7 @@ exec 1> install.log 2>&1
 
 #------------------------------------------------------------------------------
 
-VERSION=${VERSION:-0.23.3}
+VERSION=${VERSION:-0.23.4}
 dev=false
 tests=false
 prod=false