diff --git a/datamodels/2.x/authent-ldap/datamodel.authent-ldap.xml b/datamodels/2.x/authent-ldap/datamodel.authent-ldap.xml
index ef6a4a387d..a6594147fa 100644
--- a/datamodels/2.x/authent-ldap/datamodel.authent-ldap.xml
+++ b/datamodels/2.x/authent-ldap/datamodel.authent-ldap.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.6">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
     <classes>
         <class id="UserLDAP" _delta="define">
             <parent>cmdbAbstractObject</parent>