diff --git a/Thunar.spec b/Thunar.spec
index f89f926..374ea46 100644
--- a/Thunar.spec
+++ b/Thunar.spec
@@ -1,7 +1,7 @@
 %define        majver %(echo %version | cut -d. -f1-2)
 Name:          Thunar
 Version:       1.6.4
-Release:       1mamba
+Release:       2mamba
 Summary:       Thunar File Manager
 Group:         Graphical Desktop/Applications/Utilities
 Vendor:        openmamba
@@ -53,6 +53,7 @@ BuildRequires: libz-devel
 BuildRequires: udev-devel
 BuildRequires: xfce4-panel-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libxfce4util-devel >= 4.12.1-1mamba
 BuildRequires: desktop-file-utils >= 0.7
 Requires:      shared-mime-info >= 0.15
 Requires:      desktop-file-utils >= 0.7
@@ -138,6 +139,9 @@ fi
 %doc ChangeLog NEWS README THANKS TODO
 
 %changelog
+* Thu Mar 26 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 1.6.4-2mamba
+- rebuilt by autoport with build requirements: libxfce4util-devel>=4.12.1-1mamba
+
 * Thu Jan 29 2015 Automatic Build System <autodist@mambasoft.it> 1.6.4-1mamba
 - automatic update by autodist