diff --git a/libpangomm.spec b/libpangomm.spec
index 0dcc549..346d3ef 100644
--- a/libpangomm.spec
+++ b/libpangomm.spec
@@ -1,30 +1,28 @@
 %define        majver    %(echo %version | cut -d. -f 1-2)
 %define        apiver    %(echo %version | cut -d. -f 1-2)
 Name:          libpangomm
-Version:       2.48.0
+Version:       2.48.1
 Release:       1mamba
 Summary:       C++ interface for Pango
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://gtkmm.sourceforge.net/
+URL:           https://gtkmm.sourceforge.io/
 Source:        http://ftp.acc.umu.se/pub/GNOME/sources/pangomm/%{majver}/pangomm-%{version}.tar.xz
 License:       LGPL
-BuildRequires: doxygen 
-BuildRequires: graphviz
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: gtk-doc
-BuildRequires: libcairo-devel
 BuildRequires: libcairomm-devel
 BuildRequires: libgcc
 BuildRequires: libglib-devel
 BuildRequires: libglibmm-devel
 BuildRequires: libpango-devel
-BuildRequires: libsigc++2-devel
+BuildRequires: libsigc++-devel
 BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
+BuildRequires: doxygen 
+BuildRequires: graphviz
 
 %description
 %{name} provides a C++ interface to the Pango library. Highlights include typesafe callbacks, widgets extensible via inheritance and a comprehensive set of widget classes that can be freely combined to quickly create complex user interfaces.
@@ -105,6 +103,9 @@ This package contains %{name} API documentation.
 #%{_docdir}/pangomm-1.4/reference
 
 %changelog
+* Sun May 30 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2.48.1-1mamba
+- update to 2.48.1
+
 * Thu Apr 15 2021 Automatic Build System <autodist@mambasoft.it> 2.48.0-1mamba
 - automatic version update by autodist