diff --git a/datamodels/2.x/authent-cas/datamodel.authent-cas.xml b/datamodels/2.x/authent-cas/datamodel.authent-cas.xml
index 8f1c39209..4bd92939f 100644
--- a/datamodels/2.x/authent-cas/datamodel.authent-cas.xml
+++ b/datamodels/2.x/authent-cas/datamodel.authent-cas.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <constants>
   </constants>
   <classes>
diff --git a/datamodels/2.x/authent-ldap/datamodel.authent-ldap.xml b/datamodels/2.x/authent-ldap/datamodel.authent-ldap.xml
index ea8021382..8811c98f8 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="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
     <classes>
         <class id="UserLDAP" _delta="define">
             <parent>cmdbAbstractObject</parent>
diff --git a/datamodels/2.x/authent-local/datamodel.authent-local.xml b/datamodels/2.x/authent-local/datamodel.authent-local.xml
index 65450ddcf..bca7f5f7b 100644
--- a/datamodels/2.x/authent-local/datamodel.authent-local.xml
+++ b/datamodels/2.x/authent-local/datamodel.authent-local.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
 
     <module_parameters>
         <parameters id="authent-local" _delta="define">
diff --git a/datamodels/2.x/combodo-backoffice-darkmoon-theme/datamodel.combodo-backoffice-darkmoon-theme.xml b/datamodels/2.x/combodo-backoffice-darkmoon-theme/datamodel.combodo-backoffice-darkmoon-theme.xml
index c1e105723..42361f371 100644
--- a/datamodels/2.x/combodo-backoffice-darkmoon-theme/datamodel.combodo-backoffice-darkmoon-theme.xml
+++ b/datamodels/2.x/combodo-backoffice-darkmoon-theme/datamodel.combodo-backoffice-darkmoon-theme.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <branding>
     <themes>
       <theme id="darkmoon" _delta="define">
diff --git a/datamodels/2.x/combodo-db-tools/datamodel.combodo-db-tools.xml b/datamodels/2.x/combodo-db-tools/datamodel.combodo-db-tools.xml
index 5b84bb692..73ecb9924 100644
--- a/datamodels/2.x/combodo-db-tools/datamodel.combodo-db-tools.xml
+++ b/datamodels/2.x/combodo-db-tools/datamodel.combodo-db-tools.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <menus>
     <menu id="DBToolsMenu" xsi:type="WebPageMenuNode" _delta="define">
       <rank>30</rank>
diff --git a/datamodels/2.x/itop-attachments/datamodel.itop-attachments.xml b/datamodels/2.x/itop-attachments/datamodel.itop-attachments.xml
index 9f26f04da..afaf41963 100755
--- a/datamodels/2.x/itop-attachments/datamodel.itop-attachments.xml
+++ b/datamodels/2.x/itop-attachments/datamodel.itop-attachments.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="Attachment" _delta="define">
       <parent>DBObject</parent>
diff --git a/datamodels/2.x/itop-backup/datamodel.itop-backup.xml b/datamodels/2.x/itop-backup/datamodel.itop-backup.xml
index 793773f31..5a30c4ae4 100644
--- a/datamodels/2.x/itop-backup/datamodel.itop-backup.xml
+++ b/datamodels/2.x/itop-backup/datamodel.itop-backup.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <menus>
     <menu id="BackupStatus" xsi:type="WebPageMenuNode" _delta="define">
       <rank>50</rank>
diff --git a/datamodels/2.x/itop-bridge-cmdb-ticket/datamodel.itop-bridge-cmdb-ticket.xml b/datamodels/2.x/itop-bridge-cmdb-ticket/datamodel.itop-bridge-cmdb-ticket.xml
index 41b439a59..59c544c18 100644
--- a/datamodels/2.x/itop-bridge-cmdb-ticket/datamodel.itop-bridge-cmdb-ticket.xml
+++ b/datamodels/2.x/itop-bridge-cmdb-ticket/datamodel.itop-bridge-cmdb-ticket.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <constants></constants>
   <classes>
     <class id="lnkFunctionalCIToTicket" _delta="define">
diff --git a/datamodels/2.x/itop-bridge-virtualization-storage/datamodel.itop-bridge-virtualization-storage.xml b/datamodels/2.x/itop-bridge-virtualization-storage/datamodel.itop-bridge-virtualization-storage.xml
index 7fdfbf738..01dcf44be 100644
--- a/datamodels/2.x/itop-bridge-virtualization-storage/datamodel.itop-bridge-virtualization-storage.xml
+++ b/datamodels/2.x/itop-bridge-virtualization-storage/datamodel.itop-bridge-virtualization-storage.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="lnkVirtualDeviceToVolume" _delta="define">
       <parent>cmdbAbstractObject</parent>
diff --git a/datamodels/2.x/itop-change-mgmt-itil/datamodel.itop-change-mgmt-itil.xml b/datamodels/2.x/itop-change-mgmt-itil/datamodel.itop-change-mgmt-itil.xml
index 61890873e..ecfb88db0 100755
--- a/datamodels/2.x/itop-change-mgmt-itil/datamodel.itop-change-mgmt-itil.xml
+++ b/datamodels/2.x/itop-change-mgmt-itil/datamodel.itop-change-mgmt-itil.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="Change" _delta="define">
       <parent>Ticket</parent>
diff --git a/datamodels/2.x/itop-change-mgmt/datamodel.itop-change-mgmt.xml b/datamodels/2.x/itop-change-mgmt/datamodel.itop-change-mgmt.xml
index 719371e3d..29d80c634 100755
--- a/datamodels/2.x/itop-change-mgmt/datamodel.itop-change-mgmt.xml
+++ b/datamodels/2.x/itop-change-mgmt/datamodel.itop-change-mgmt.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
     <classes>
         <class id="Change" _delta="define">
             <parent>Ticket</parent>
diff --git a/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml b/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml
index 5b3ab9138..acea8c11d 100755
--- a/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml
+++ b/datamodels/2.x/itop-config-mgmt/datamodel.itop-config-mgmt.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
 	<classes>
 		<class id="FunctionalCI" _delta="define">
 			<parent>cmdbAbstractObject</parent>
diff --git a/datamodels/2.x/itop-config/datamodel.itop-config.xml b/datamodels/2.x/itop-config/datamodel.itop-config.xml
index ff2965f0e..91e3d8e87 100644
--- a/datamodels/2.x/itop-config/datamodel.itop-config.xml
+++ b/datamodels/2.x/itop-config/datamodel.itop-config.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <menus>
     <menu id="ConfigEditor" xsi:type="WebPageMenuNode" _delta="define">
       <rank>10</rank>
diff --git a/datamodels/2.x/itop-core-update/datamodel.itop-core-update.xml b/datamodels/2.x/itop-core-update/datamodel.itop-core-update.xml
index 6bfcbf23f..3f9c13af9 100644
--- a/datamodels/2.x/itop-core-update/datamodel.itop-core-update.xml
+++ b/datamodels/2.x/itop-core-update/datamodel.itop-core-update.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <menus>
     <menu id="iTopUpdate" xsi:type="WebPageMenuNode" _delta="define">
       <rank>60</rank>
diff --git a/datamodels/2.x/itop-datacenter-mgmt/datamodel.itop-datacenter-mgmt.xml b/datamodels/2.x/itop-datacenter-mgmt/datamodel.itop-datacenter-mgmt.xml
index f7e0802c3..d81dfba5a 100755
--- a/datamodels/2.x/itop-datacenter-mgmt/datamodel.itop-datacenter-mgmt.xml
+++ b/datamodels/2.x/itop-datacenter-mgmt/datamodel.itop-datacenter-mgmt.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="Rack" _delta="define">
       <parent>PhysicalDevice</parent>
diff --git a/datamodels/2.x/itop-endusers-devices/datamodel.itop-enduser-devices.xml b/datamodels/2.x/itop-endusers-devices/datamodel.itop-enduser-devices.xml
index 6fd8539b7..391a4d05f 100644
--- a/datamodels/2.x/itop-endusers-devices/datamodel.itop-enduser-devices.xml
+++ b/datamodels/2.x/itop-endusers-devices/datamodel.itop-enduser-devices.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="TelephonyCI" _delta="define">
       <parent>PhysicalDevice</parent>
diff --git a/datamodels/2.x/itop-faq-light/datamodel.itop-faq-light.xml b/datamodels/2.x/itop-faq-light/datamodel.itop-faq-light.xml
index 8c66714e7..a12c11a65 100755
--- a/datamodels/2.x/itop-faq-light/datamodel.itop-faq-light.xml
+++ b/datamodels/2.x/itop-faq-light/datamodel.itop-faq-light.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="FAQ" _delta="define">
       <parent>cmdbAbstractObject</parent>
diff --git a/datamodels/2.x/itop-files-information/datamodel.itop-files-information.xml b/datamodels/2.x/itop-files-information/datamodel.itop-files-information.xml
index 42642225c..bcd33d37d 100644
--- a/datamodels/2.x/itop-files-information/datamodel.itop-files-information.xml
+++ b/datamodels/2.x/itop-files-information/datamodel.itop-files-information.xml
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
 </itop_design>
diff --git a/datamodels/2.x/itop-full-itil/datamodel.itop-full-itil.xml b/datamodels/2.x/itop-full-itil/datamodel.itop-full-itil.xml
index a5ccad800..5ff7a02a0 100644
--- a/datamodels/2.x/itop-full-itil/datamodel.itop-full-itil.xml
+++ b/datamodels/2.x/itop-full-itil/datamodel.itop-full-itil.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
 	<classes>
 		<class id="Ticket">
 			<methods>
diff --git a/datamodels/2.x/itop-hub-connector/datamodel.itop-hub-connector.xml b/datamodels/2.x/itop-hub-connector/datamodel.itop-hub-connector.xml
index ed51bf64b..b28f107b7 100644
--- a/datamodels/2.x/itop-hub-connector/datamodel.itop-hub-connector.xml
+++ b/datamodels/2.x/itop-hub-connector/datamodel.itop-hub-connector.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <constants>
   </constants>
   <classes>
diff --git a/datamodels/2.x/itop-incident-mgmt-itil/datamodel.itop-incident-mgmt-itil.xml b/datamodels/2.x/itop-incident-mgmt-itil/datamodel.itop-incident-mgmt-itil.xml
index aa87529cd..b2c5c4fc5 100755
--- a/datamodels/2.x/itop-incident-mgmt-itil/datamodel.itop-incident-mgmt-itil.xml
+++ b/datamodels/2.x/itop-incident-mgmt-itil/datamodel.itop-incident-mgmt-itil.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
 	<classes>
 		<class id="Incident" _delta="define">
 			<parent>Ticket</parent>
diff --git a/datamodels/2.x/itop-knownerror-mgmt/datamodel.itop-knownerror-mgmt.xml b/datamodels/2.x/itop-knownerror-mgmt/datamodel.itop-knownerror-mgmt.xml
index c3a9b861b..ab125b554 100755
--- a/datamodels/2.x/itop-knownerror-mgmt/datamodel.itop-knownerror-mgmt.xml
+++ b/datamodels/2.x/itop-knownerror-mgmt/datamodel.itop-knownerror-mgmt.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="KnownError" _delta="define">
       <parent>cmdbAbstractObject</parent>
diff --git a/datamodels/2.x/itop-portal/datamodel.itop-portal.xml b/datamodels/2.x/itop-portal/datamodel.itop-portal.xml
index 3e74e3e3b..4fd5b33bc 100644
--- a/datamodels/2.x/itop-portal/datamodel.itop-portal.xml
+++ b/datamodels/2.x/itop-portal/datamodel.itop-portal.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
 	<portals>
 		<portal id="itop-portal" _delta="define"><!-- ID must match module_design[id] -->
 			<url>pages/exec.php?exec_module=itop-portal-base&amp;exec_page=index.php&amp;portal_id=itop-portal</url><!-- portal_id must match module_design[id] -->
diff --git a/datamodels/2.x/itop-problem-mgmt/datamodel.itop-problem-mgmt.xml b/datamodels/2.x/itop-problem-mgmt/datamodel.itop-problem-mgmt.xml
index cc1f4bb40..64106639b 100755
--- a/datamodels/2.x/itop-problem-mgmt/datamodel.itop-problem-mgmt.xml
+++ b/datamodels/2.x/itop-problem-mgmt/datamodel.itop-problem-mgmt.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
     <classes>
         <class id="Problem" _delta="define">
             <parent>Ticket</parent>
diff --git a/datamodels/2.x/itop-profiles-itil/datamodel.itop-profiles-itil.xml b/datamodels/2.x/itop-profiles-itil/datamodel.itop-profiles-itil.xml
index 2639754ac..3c6d5fd28 100755
--- a/datamodels/2.x/itop-profiles-itil/datamodel.itop-profiles-itil.xml
+++ b/datamodels/2.x/itop-profiles-itil/datamodel.itop-profiles-itil.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes/>
   <user_rights>
     <groups>
diff --git a/datamodels/2.x/itop-request-mgmt-itil/datamodel.itop-request-mgmt-itil.xml b/datamodels/2.x/itop-request-mgmt-itil/datamodel.itop-request-mgmt-itil.xml
index 95e552407..15d42243d 100755
--- a/datamodels/2.x/itop-request-mgmt-itil/datamodel.itop-request-mgmt-itil.xml
+++ b/datamodels/2.x/itop-request-mgmt-itil/datamodel.itop-request-mgmt-itil.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
 	<classes>
 		<class id="UserRequest" _delta="define">
 			<parent>Ticket</parent>
diff --git a/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml b/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml
index 4b8f52e56..e373bc218 100755
--- a/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml
+++ b/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
     <classes>
         <class id="UserRequest" _delta="define">
             <parent>Ticket</parent>
diff --git a/datamodels/2.x/itop-service-mgmt-provider/datamodel.itop-service-mgmt-provider.xml b/datamodels/2.x/itop-service-mgmt-provider/datamodel.itop-service-mgmt-provider.xml
index b5273f5e0..9f1bbe9e6 100755
--- a/datamodels/2.x/itop-service-mgmt-provider/datamodel.itop-service-mgmt-provider.xml
+++ b/datamodels/2.x/itop-service-mgmt-provider/datamodel.itop-service-mgmt-provider.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="Organization">
       <fields>
diff --git a/datamodels/2.x/itop-service-mgmt/datamodel.itop-service-mgmt.xml b/datamodels/2.x/itop-service-mgmt/datamodel.itop-service-mgmt.xml
index f6a9072d1..e8d93b6ce 100755
--- a/datamodels/2.x/itop-service-mgmt/datamodel.itop-service-mgmt.xml
+++ b/datamodels/2.x/itop-service-mgmt/datamodel.itop-service-mgmt.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
 	<classes>
 		<class id="Organization">
 			<fields>
diff --git a/datamodels/2.x/itop-storage-mgmt/datamodel.itop-storage-mgmt.xml b/datamodels/2.x/itop-storage-mgmt/datamodel.itop-storage-mgmt.xml
index 9d790065a..8e96fe1f0 100644
--- a/datamodels/2.x/itop-storage-mgmt/datamodel.itop-storage-mgmt.xml
+++ b/datamodels/2.x/itop-storage-mgmt/datamodel.itop-storage-mgmt.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="StorageSystem" _delta="define">
       <parent>DatacenterDevice</parent>
diff --git a/datamodels/2.x/itop-structure/datamodel.itop-structure.xml b/datamodels/2.x/itop-structure/datamodel.itop-structure.xml
index 576447f71..493341cfb 100644
--- a/datamodels/2.x/itop-structure/datamodel.itop-structure.xml
+++ b/datamodels/2.x/itop-structure/datamodel.itop-structure.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="Organization" _delta="define">
       <parent>cmdbAbstractObject</parent>
diff --git a/datamodels/2.x/itop-tickets/datamodel.itop-tickets.xml b/datamodels/2.x/itop-tickets/datamodel.itop-tickets.xml
index faa3173b6..0c0f8d5cf 100755
--- a/datamodels/2.x/itop-tickets/datamodel.itop-tickets.xml
+++ b/datamodels/2.x/itop-tickets/datamodel.itop-tickets.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
 	<constants>
 		<constant id="RESPONSE_TICKET_SLT_QUERY" xsi:type="string" _delta="define"><![CDATA[SELECT SLT AS slt JOIN lnkSLAToSLT AS l1 ON l1.slt_id=slt.id JOIN SLA AS sla ON l1.sla_id=sla.id JOIN lnkCustomerContractToService AS l2 ON l2.sla_id=sla.id JOIN CustomerContract AS sc ON l2.customercontract_id=sc.id WHERE slt.metric = :metric AND l2.service_id = :this->service_id AND sc.org_id = :this->org_id AND slt.request_type = :request_type AND slt.priority = :this->priority]]></constant>
 	</constants>
diff --git a/datamodels/2.x/itop-virtualization-mgmt/datamodel.itop-virtualization-mgmt.xml b/datamodels/2.x/itop-virtualization-mgmt/datamodel.itop-virtualization-mgmt.xml
index c4baa27bd..b34e7e8db 100644
--- a/datamodels/2.x/itop-virtualization-mgmt/datamodel.itop-virtualization-mgmt.xml
+++ b/datamodels/2.x/itop-virtualization-mgmt/datamodel.itop-virtualization-mgmt.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <classes>
     <class id="VirtualDevice" _delta="define">
       <parent>FunctionalCI</parent>
diff --git a/datamodels/2.x/itop-welcome-itil/datamodel.itop-welcome-itil.xml b/datamodels/2.x/itop-welcome-itil/datamodel.itop-welcome-itil.xml
index dacb9c47f..9985d4ed6 100644
--- a/datamodels/2.x/itop-welcome-itil/datamodel.itop-welcome-itil.xml
+++ b/datamodels/2.x/itop-welcome-itil/datamodel.itop-welcome-itil.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.0">
+<itop_design xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="3.1">
   <menus>
     <menu id="WelcomeMenuPage" xsi:type="DashboardMenuNode" _delta="redefine">
       <rank>10</rank>