-Source0: http://ftp.gnome.org/pub/GNOME/sources/glibmm/2.16/%{name}-%{version}.tar.bz2
-# Source0-md5: fe2e91fa93759ffc812e80ca50ace233
-URL: http://gtkmm.sourceforge.net/
-BuildRequires: autoconf >= 2.58
-BuildRequires: automake >= 1:1.7
-BuildRequires: glib2-devel >= 1:2.16.3
+Source0: http://ftp.gnome.org/pub/GNOME/sources/glibmm/2.28/%{name}-%{version}.tar.bz2
+# Source0-md5: 8cda9a84e6efdd8f35d2803432783325
+URL: http://www.gtkmm.org/
+BuildRequires: autoconf >= 2.59
+BuildRequires: automake >= 1:1.11
+BuildRequires: glib2-devel >= 1:2.28.0