diff --git a/libatkmm.spec b/libatkmm.spec
index 38bc9b9..102ddc0 100644
--- a/libatkmm.spec
+++ b/libatkmm.spec
@@ -1,5 +1,6 @@
+%define majver %(echo %version | cut -d. -f1-2)
 Name:          libatkmm
-Version:       2.22.7
+Version:       2.24.1
 Release:       1mamba
 Summary:       The official C++ interface for the ATK accessibility toolkit library
 Group:         System/Libraries
@@ -7,7 +8,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://library.gnome.org/devel/atkmm/unstable/
-Source:        http://ftp.acc.umu.se/pub/GNOME/sources/atkmm/2.22/atkmm-%{version}.tar.xz
+Source:        http://ftp.acc.umu.se/pub/GNOME/sources/atkmm/%{majver}/atkmm-%{version}.tar.xz
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -68,6 +69,9 @@ This package contains static libraries and header files need for development.
 %{_docdir}/atkmm-*/reference
 
 %changelog
+* Sat Oct 10 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 2.24.1-1mamba
+- update to 2.24.1
+
 * Thu May 02 2013 Automatic Build System <autodist@mambasoft.it> 2.22.7-1mamba
 - update to 2.22.7