diff --git a/dicos/99_one-master.xml b/dicos/99_one-master.xml
index 475e444..297fb67 100644
--- a/dicos/99_one-master.xml
+++ b/dicos/99_one-master.xml
@@ -78,6 +78,9 @@
             <variable name='hapy_init_master_iso_version' type='string' description="Version de l'image ISO EOLE à télécharger">
               <value>2.5.2</value>
             </variable>
+			<variable name='onedb_version' type='string' description="Version de la base de données ONE" mode='expert' hidden='True'>
+				<value>4.6.0</value>
+			</variable>
         </family>
             <separators>
               <separator name='activer_onesinglenode'>Configuration du pilote (Master)</separator>
diff --git a/posttemplate/90-one-db b/posttemplate/90-one-db
new file mode 100644
index 0000000..53a2c03
--- /dev/null
+++ b/posttemplate/90-one-db
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+#
+# AIM : Manage Opennebula database update
+#
+#
+
+. /usr/lib/eole/ihm.sh
+
+function updateDB()
+{
+	local dbfile='/var/lib/one/one.db'
+	local cmd="onedb"
+
+	$cmd upgrade -f -s /var/lib/one/one.db
+	return ${?}
+}
+
+echo
+EchoGras "Mise à jour de la base de données ONE"
+echo
+updateDB
+echo
+exit ${?}