diff --git a/darktable.spec b/darktable.spec
index ac93793..429345f 100644
--- a/darktable.spec
+++ b/darktable.spec
@@ -1,6 +1,6 @@
 %define majver %(echo %version | cut -d. -f1-2)
 Name:          darktable
-Version:       1.6.3
+Version:       1.6.4
 Release:       1mamba
 Summary:       An open source photography workflow application and RAW developer
 Group:         Graphical Desktop/Applications/Graphics
@@ -113,6 +113,9 @@ rm -f %{buildroot}%{_defaultdocdir}/darktable/{AUTHORS,LICENSE,README,TRANSLATOR
 %{_mandir}/man1/darktable-cli.1*
 
 %changelog
+* Tue Apr 07 2015 Automatic Build System <autodist@mambasoft.it> 1.6.4-1mamba
+- automatic version update by autodist
+
 * Mon Mar 02 2015 Automatic Build System <autodist@mambasoft.it> 1.6.3-1mamba
 - automatic version update by autodist