diff --git a/libgtkglext.spec b/libgtkglext.spec
index 29b0753..71ac7da 100644
--- a/libgtkglext.spec
+++ b/libgtkglext.spec
@@ -1,12 +1,12 @@
 Name:          libgtkglext
 Version:       1.2.0
-Release:       6mamba
+Release:       7mamba
 Summary:       OpenGL extensions for GTK2
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.gnome.org
+URL:           https://www.gnome.org/
 Source:        http://downloads.sourceforge.net/sourceforge/gtkglext/gtkglext-%{version}.tar.bz2
 Patch0:        libgtkglext-1.2.0-libgtk-2.20.patch
 Patch1:        libgtkglext-1.2.0-gcc-8.patch
@@ -14,12 +14,10 @@ Patch2:        libgtkglext-1.2.0-kill-pangox.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
-BuildRequires: libGL-devel
-BuildRequires: libGLU-devel
-BuildRequires: libX11-devel
 BuildRequires: libXmu-devel
 BuildRequires: libglib-devel
+BuildRequires: libglu-devel
+BuildRequires: libglvnd-devel
 BuildRequires: libgtk2-devel
 BuildRequires: libpango-devel
 ## AUTOBUILDREQ-END
@@ -30,8 +28,7 @@ BuildRequires: libXinerama-devel >= 1.0.1
 BuildRequires: libXrandr-devel >= 1.1.2
 BuildRequires: libXrender-devel >= 0.9.1
 BuildRequires: libXxf86vm-devel >= 1.0.1
-Obsoletes:     libpangox
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+Obsoletes:     libpangox < 1.2.0-7mamba
 
 %description
 OpenGL extensions for GTK2.
@@ -40,11 +37,11 @@ OpenGL extensions for GTK2.
 Summary:       Devel package for %{name}
 Group:         Development/Libraries
 Requires:      %{name} = %{version}
-Obsoletes:     libpangox-devel
+Obsoletes:     libpangox-devel < 1.2.0-7mamba
 
 %description devel
 OpenGL extensions for GTK2.
-This package contains static libraries and header files need for development.
+This package contains static libraries and header files needed for development.
 
 %debug_package
 
@@ -82,10 +79,8 @@ sed -i -e 's/ -shared / -Wl,-O1,--as-needed\0/g' libtool
 %files devel
 %defattr(-,root,root)
 %{_libdir}/libgtkglext*.a
-%{_libdir}/libgtkglext*.la
 %{_libdir}/libgtkglext*.so
 %{_libdir}/libgdkglext*.a
-%{_libdir}/libgdkglext*.la
 %{_libdir}/libgdkglext*.so
 %{_libdir}/gtkglext-1.0/include/gdkglext-config.h
 %dir %{_includedir}/gtkglext-1.0/gdk/glext
@@ -102,6 +97,9 @@ sed -i -e 's/ -shared / -Wl,-O1,--as-needed\0/g' libtool
 %doc TODO ChangeLog ChangeLog.pre-1-0 README README.win32
 
 %changelog
+* Thu Feb 22 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.2.0-7mamba
+- rebuilt
+
 * Tue May 26 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.2.0-6mamba
 - remove link against obsoleted libpangox