diff --git a/gdm.spec b/gdm.spec
index e1d6a14..0e1b4c4 100644
--- a/gdm.spec
+++ b/gdm.spec
@@ -1,15 +1,15 @@
 %define gdm_uid     53
 %define gdm_gid     53
-%define majver %(echo %version | cut -d. -f1-2)
+%define majver %(echo %version | cut -d. -f1)
 Name:          gdm
-Version:       3.38.2.1
+Version:       40.0
 Release:       1mamba
 Summary:       The GNOME Display Manager, a graphical login program
 Group:         Graphical Desktop/Applications/Other
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.gnome.org
+URL:           https://www.gnome.org
 Source:        https://download.gnome.org/sources/gdm/%{majver}/gdm-%{version}.tar.xz
 Patch0:        %{name}-2.32.1-remove-pam_console.patch
 Patch1:        %{name}-3.4.1-save-root-window.patch
@@ -18,46 +18,24 @@ Patch3:        gdm-3.18-pam-openmamba.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libaccountsservice-devel
-BuildRequires: libatk-devel
-BuildRequires: libaudit-devel
-BuildRequires: libbzip2-devel
-BuildRequires: libcairo-devel
-BuildRequires: libcanberra-devel
-BuildRequires: libexpat-devel
-BuildRequires: libffi-devel
-BuildRequires: libfontconfig-devel
-BuildRequires: libfreetype-devel
-BuildRequires: libgdk-pixbuf-devel
-BuildRequires: libglib-devel
-BuildRequires: libgraphite2-devel
-BuildRequires: libgtk-devel
-BuildRequires: libharfbuzz-devel
-BuildRequires: libicu-devel
-BuildRequires: libnspr-devel
-BuildRequires: libnss-devel
-BuildRequires: libpango-devel
-BuildRequires: libpng-devel
-BuildRequires: libpthread-stubs-devel
-BuildRequires: libselinux-devel
-BuildRequires: libstdc++6-devel
-BuildRequires: libwrap-devel
 BuildRequires: libX11-devel
 BuildRequires: libXau-devel
-BuildRequires: libxcb-devel
 BuildRequires: libXdmcp-devel
-BuildRequires: libXext-devel
-BuildRequires: libXrandr-devel
-BuildRequires: libXrender-devel
-BuildRequires: libz-devel
-BuildRequires: pam-devel
-BuildRequires: systemd-devel
-BuildRequires: upower-devel
+BuildRequires: libaccountsservice-devel
+BuildRequires: libaudit-devel
+BuildRequires: libcanberra-devel
+BuildRequires: libgdk-pixbuf-devel
+BuildRequires: libglib-devel
+BuildRequires: libgtk3-devel
+BuildRequires: libkeyutils-devel
+BuildRequires: libpam-devel
+BuildRequires: libselinux-devel
+BuildRequires: libsystemd-devel
+BuildRequires: libxcb-devel
 ## AUTOBUILDREQ-END
 BuildRequires: dconf
 BuildRequires: plymouth-devel
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 GDM is the GNOME Display Manager, a graphical login program.
@@ -68,7 +46,7 @@ Summary:       Shared libraries for %{name}
 
 %description -n lib%{name}
 GDM is the GNOME Display Manager, a graphical login program.
-This package contains static libraries and header files need for development.
+This package contains static libraries and header files needed for development.
 
 %package -n lib%{name}-devel
 Group:         Development/Libraries
@@ -189,6 +167,7 @@ exit 0
 %lang(el) %{_datadir}/help/el/gdm/*
 %lang(en_GB) %{_datadir}/help/en_GB/gdm/*
 %lang(es) %{_datadir}/help/es/gdm/*
+%lang(eu) %{_datadir}/help/eu/gdm/*
 %lang(fr) %{_datadir}/help/fr/gdm/*
 %lang(gl) %{_datadir}/help/gl/gdm/*
 %lang(hu) %{_datadir}/help/hu/gdm/*
@@ -229,6 +208,9 @@ exit 0
 #%doc ChangeLog NEWS README
 
 %changelog
+* Sat May 15 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 40.0-1mamba
+- update to 40.0
+
 * Wed Dec 16 2020 Automatic Build System <autodist@mambasoft.it> 3.38.2.1-1mamba
 - automatic version update by autodist