diff --git a/CHANGELOG b/CHANGELOG
index aa63e817ea1041257c966750e5d34c979b822be7..1b3c67871c1ca4dee19f45278e54d4dffd4e2285 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,13 @@
+## Centreon 2.6.4
+
+#3793: Porblem when creating an empty hostgroup with non admin user
+#3795: Update Centreon Administration About page (forge -> Github)
+#3796: Problem when connect two time with same user in API
+#3797: Password in macro
+#3800: Current State Duration isn't displayed
+#3803: ACL : Manage multiple Resources group on the same ACL user group
+#3807: Unable to enable status option on main.cfg
+
 ## Centreon 2.6.3
 
 Bug fixes
diff --git a/doc/en/release_notes/centreon-2.6.4.rst b/doc/en/release_notes/centreon-2.6.4.rst
new file mode 100644
index 0000000000000000000000000000000000000000..8ccc7c52046e2f7dc35897a8d21da3e5dbb0f264
--- /dev/null
+++ b/doc/en/release_notes/centreon-2.6.4.rst
@@ -0,0 +1,26 @@
+==============
+Centreon 2.6.4
+==============
+
+
+******
+Notice
+******
+If you are upgrading from a version prior to 2.6.0, make sure to go through all the release notes available
+`here <http://documentation.centreon.com/docs/centreon/en/latest/release_notes/index.html>`_.
+
+
+*********
+CHANGELOG
+*********
+
+Bug fixes
+=========
+
+- #3793: Porblem when creating an empty hostgroup with non admin user
+- #3795: Update Centreon Administration About page (forge -> Github)
+- #3796: Problem when connect two time with same user in API
+- #3797: Password in macro
+- #3800: Current State Duration isn't displayed
+- #3803: ACL : Manage multiple Resources group on the same ACL user group
+- #3807: Unable to enable status option on main.cfg
diff --git a/doc/fr/release_notes/centreon-2.6.4.rst b/doc/fr/release_notes/centreon-2.6.4.rst
new file mode 100644
index 0000000000000000000000000000000000000000..8ccc7c52046e2f7dc35897a8d21da3e5dbb0f264
--- /dev/null
+++ b/doc/fr/release_notes/centreon-2.6.4.rst
@@ -0,0 +1,26 @@
+==============
+Centreon 2.6.4
+==============
+
+
+******
+Notice
+******
+If you are upgrading from a version prior to 2.6.0, make sure to go through all the release notes available
+`here <http://documentation.centreon.com/docs/centreon/en/latest/release_notes/index.html>`_.
+
+
+*********
+CHANGELOG
+*********
+
+Bug fixes
+=========
+
+- #3793: Porblem when creating an empty hostgroup with non admin user
+- #3795: Update Centreon Administration About page (forge -> Github)
+- #3796: Problem when connect two time with same user in API
+- #3797: Password in macro
+- #3800: Current State Duration isn't displayed
+- #3803: ACL : Manage multiple Resources group on the same ACL user group
+- #3807: Unable to enable status option on main.cfg
diff --git a/install.sh b/install.sh
index e2e5461a508547637a256238f21579240e6786b6..446d48c4df4579538e2ef90719eaf33ad5bd2613 100755
--- a/install.sh
+++ b/install.sh
@@ -50,7 +50,7 @@
 # -- on upgrade, overwrite existing ? backup ? 
 
 # Define centreon version
-version="2.6.3"
+version="2.6.4"
 
 # Debug
 #set -x
diff --git a/www/install/insertBaseConf.sql b/www/install/insertBaseConf.sql
index b92a37af5b859be6c3f56d8ef1a3e53df0c03fd3..dec2c1a4b7eab845a39f1b1577606678a4a02f18 100644
--- a/www/install/insertBaseConf.sql
+++ b/www/install/insertBaseConf.sql
@@ -3,7 +3,7 @@
 -- Insert version
 --
 
-INSERT INTO `informations` (`key` ,`value`) VALUES ('version', '2.6.3');
+INSERT INTO `informations` (`key` ,`value`) VALUES ('version', '2.6.4');
 
 --
 -- Contenu de la table `contact`