diff --git a/facter-2.5.1.gem b/facter-2.5.1.gem
deleted file mode 100644
index d1db3ef..0000000
Binary files a/facter-2.5.1.gem and /dev/null differ
diff --git a/facter-4.0.51.gem b/facter-4.0.51.gem
new file mode 100644
index 0000000..240406d
Binary files /dev/null and b/facter-4.0.51.gem differ
diff --git a/ruby-facter.spec b/ruby-facter.spec
index a738f70..894202e 100644
--- a/ruby-facter.spec
+++ b/ruby-facter.spec
@@ -1,19 +1,18 @@
 Name:          ruby-facter
-Version:       2.5.1
+Version:       4.0.51
 Release:       1mamba
 Summary:       A library for collecting facts about your system
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://puppetlabs.com/
+URL:           https://puppetlabs.com/
 Source:        https://rubygems.org/downloads/facter-%{version}.gem
 License:       Apache License 2.0
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
 BuildRequires: ruby-devel >= 2.5.1
 Requires:      ruby >= 2.5.1
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 A library for collecting facts about your system.
@@ -28,7 +27,7 @@ A library for collecting facts about your system.
 gemdir="$(ruby -rrubygems -e'puts Gem.default_dir')"
 
 gem install --no-user-install --ignore-dependencies -i "%{buildroot}$gemdir" \
-  --no-ri --no-rdoc -n "%{buildroot}/usr/bin" "%{SOURCE0}"
+  -n "%{buildroot}/usr/bin" "%{SOURCE0}"
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -40,8 +39,13 @@ gem install --no-user-install --ignore-dependencies -i "%{buildroot}$gemdir" \
 %dir %{_libdir}/ruby/gems/*/gems/facter-%{version}
 %{_libdir}/ruby/gems/*/gems/facter-%{version}/*
 %{_libdir}/ruby/gems/*/specifications/facter-%{version}.gemspec
+%dir %{_libdir}/ruby/gems/*/doc/facter-%{version}
+%{_libdir}/ruby/gems/*/doc/facter-%{version}/*
 
 %changelog
+* Sat Mar 06 2021 Automatic Build System <autodist@mambasoft.it> 4.0.51-1mamba
+- automatic version update by autodist
+
 * Tue Jul 17 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 2.5.1-1mamba
 - update to 2.5.1