diff --git a/x2goclient.spec b/x2goclient.spec
index 022848c..f88a5c1 100644
--- a/x2goclient.spec
+++ b/x2goclient.spec
@@ -1,5 +1,5 @@
 Name:          x2goclient
-Version:       4.0.5.0
+Version:       4.0.5.1
 Release:       1mamba
 Summary:       x2go GUI client
 Group:         Graphical Desktop/Applications/Internet
@@ -21,6 +21,7 @@ BuildRequires: libssh-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: man2html
+Requires:      nxproxy
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -68,6 +69,12 @@ This package provides the GUI client.
 #% doc ChangeLog README.OpenSSL-Exception
 
 %changelog
+* Fri Mar 25 2016 Automatic Build System <autodist@mambasoft.it> 4.0.5.1-1mamba
+- automatic version update by autodist
+
+* Thu Mar 24 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.5.0-2mamba
+- require nxproxy
+
 * Tue Jul 28 2015 Automatic Build System <autodist@mambasoft.it> 4.0.5.0-1mamba
 - automatic version update by autodist