diff --git a/ipasserelle-groupware.spec b/ipasserelle-groupware.spec
index 8c01ab5..5fc1e65 100644
--- a/ipasserelle-groupware.spec
+++ b/ipasserelle-groupware.spec
@@ -1,4 +1,4 @@
-%define version 0.2.27
+%define version 0.2.28
 %define release 1
 %define name ipasserelle-groupware
 %define debug_package %{nil}
@@ -18,7 +18,7 @@ BuildRequires: e-smith-devtools
 BuildRequires: gcc
 Requires: smeserver-release >= 8
 Requires: e-smith-ldap >= 5.2.0-19
-Requires: sogo >= 2.2.0
+Requires: sogo >= 2.3.0
 Requires: sogo-tool
 Requires: sogo-activesync
 Requires: sope49-gdl1-mysql
@@ -38,6 +38,9 @@ iPasserelle module for the groupware application.
 Based on smeserver-sogo from nethesis
 
 %changelog
+* Tue Jun 2 2015 Daniel Berteaud <daniel@firewall-services.com> - 0.2.28-1
+- Upgrade DB schema for 2.3
+
 * Wed Mar 25 2015 Daniel Berteaud <daniel@firewall-services.com> - 0.2.27-1
 - Allow cross site requests on dav resources