diff --git a/yelp.spec b/yelp.spec
index e2603cb..fe4ad2f 100644
--- a/yelp.spec
+++ b/yelp.spec
@@ -1,7 +1,6 @@
-%define        libname  lib%{name}
-
+%define        MAJver %(echo  %version | cut -d. -f1)
 Name:          yelp
-Version:       3.38.3
+Version:       40.0
 Release:       1mamba
 Summary:       Gnome help viewer
 Group:         Graphical Desktop/Applications/Utilities
@@ -9,7 +8,7 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://live.gnome.org/Yelp
-Source0:       http://ftp.gnome.org/pub/GNOME/sources/yelp/%{majorminor}/yelp-%{version}.tar.xz
+Source0:       http://ftp.gnome.org/pub/GNOME/sources/yelp/%{MAJver}/yelp-%{version}.tar.xz
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -39,7 +38,7 @@ BuildRequires: libz-devel
 BuildRequires: intltool
 BuildRequires: perl-XML-Parser
 BuildRequires: yelp-xsl-devel
-Requires:      %{libname} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 Requires:      gnome-doc-utils
 Requires:      yelp-xsl
 Requires:      man
@@ -50,29 +49,29 @@ Together with gnome-doc-utils, Yelp serves as a DocBook viewer, a man page viewe
 This page serves as a development workspace for Yelp and gnome-doc-utils.
 For the content that goes into Yelp, see the GNOME DocumentationProject. 
 
-%package -n %{libname}
+%package -n lib%{name}
 Summary:       Shared libraries for %{name}
 Group:         System/Libraries
 
-%description -n %{libname}
+%description -n lib%{name}
 This package contains shared libraries for %{name}.
 
-%package -n %{libname}-devel
-Summary:       Development files for %{libname}
+%package -n lib%{name}-devel
+Summary:       Development files for lib%{name}
 Group:         Development/Libraries
-Requires:      %{libname} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 
-%description -n %{libname}-devel
-This package contains libraries and header files for developing applications that use %{libname}.
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use lib%{name}.
 
-%package -n %{libname}-apidocs
-Summary:       %{libname} API documentation
+%package -n lib%{name}-apidocs
+Summary:       lib%{name} API documentation
 Group:         Documentation
-Requires:      %{libname} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 Requires:      gtk-doc
 
-%description -n %{libname}-apidocs
-This package includes the %{libname} API documentation.
+%description -n lib%{name}-apidocs
+This package includes the lib%{name} API documentation.
 
 %debug_package
 
@@ -106,8 +105,8 @@ fi
 %posttrans
 glib-compile-schemas %{_datadir}/glib-2.0/schemas >/dev/null 2>&1 ||:
 
-%post   -n %{libname} -p /sbin/ldconfig
-%postun -n %{libname} -p /sbin/ldconfig
+%post   -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
 
 %files -f %{name}.lang
 %defattr(-,root,root)
@@ -122,7 +121,7 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas >/dev/null 2>&1 ||:
 %{_datadir}/metainfo/yelp.appdata.xml
 %{_datadir}/yelp-xsl/xslt/common/domains/yelp.xml
 
-%files -n %{libname}
+%files -n lib%{name}
 %defattr(-,root,root)
 %{_libdir}/libyelp.so.*
 %dir %{_libdir}/yelp
@@ -131,17 +130,20 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas >/dev/null 2>&1 ||:
 %{_libdir}/yelp/web-extensions/libyelpwebextension.so
 %doc AUTHORS COPYING
 
-%files -n %{libname}-devel
+%files -n lib%{name}-devel
 %defattr(-,root,root)
 %{_libdir}/libyelp.so
 %{_includedir}/libyelp
 %doc NEWS README ChangeLog
 
-%files -n %{libname}-apidocs
+%files -n lib%{name}-apidocs
 %defattr(-,root,root)
 %{_datadir}/gtk-doc/html/libyelp
 
 %changelog
+* Sat Mar 27 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 40.0-1mamba
+- update to 40.0
+
 * Thu Feb 25 2021 Automatic Build System <autodist@mambasoft.it> 3.38.3-1mamba
 - automatic version update by autodist