diff --git a/gtk-doc.spec b/gtk-doc.spec
index 5c46969..aa556eb 100644
--- a/gtk-doc.spec
+++ b/gtk-doc.spec
@@ -1,5 +1,5 @@
 Name:          gtk-doc
-Version:       1.27
+Version:       1.28
 Release:       1mamba
 Summary:       API documentation generation tool for GTK+ and GNOME
 Group:         Graphical Desktop/Applications/Development
@@ -74,6 +74,9 @@ It is used for generating the documentation for GTK+, GLib and GNOME.
 #ChangeLog NEWS README TODO
 
 %changelog
+* Sun Mar 25 2018 Automatic Build System <autodist@mambasoft.it> 1.28-1mamba
+- automatic version update by autodist
+
 * Wed Dec 20 2017 Automatic Build System <autodist@mambasoft.it> 1.27-1mamba
 - automatic version update by autodist