diff --git a/nuget.spec b/nuget.spec
index 1a357aa..4fa0d8f 100644
--- a/nuget.spec
+++ b/nuget.spec
@@ -1,13 +1,13 @@
 Name:          nuget
-Version:       5.5.0.6382.bin
-Release:       1mamba
+Version:       6.3.1.1
+Release:       2mamba
 Summary:       Package manager for .Net/Mono development platform
 Group:         Applications/Development
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://nuget.org/
-Source:        http://download.mono-project.com/sources/nuget/nuget-%{version}.tar.xz
+URL:           https://www.nuget.org/
+Source:        https://download.mono-project.com/sources/nuget/nuget-%{version}.bin.tar.xz
 Source1:       nuget-wrapper
 Source2:       nuget.pc
 License:       Apache License 2.0
@@ -15,13 +15,12 @@ License:       Apache License 2.0
 BuildRequires: mono-devel
 ## AUTOBUILDREQ-END
 Requires:      mono
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 Package manager for .Net/Mono development platform.
 
 %prep
-%setup -q
+%setup -q -n nuget-%{version}.bin
 
 %build
 
@@ -41,5 +40,11 @@ install -Dm 0644 %{SOURCE2} %{buildroot}%{_datadir}/pkgconfig/nuget.pc
 %{_datadir}/pkgconfig/nuget.pc
 
 %changelog
+* Thu Mar 09 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 6.3.1.1-2mamba
+- ... add a changelog entry
+
+* Thu Mar 09 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 6.3.1.1-1mamba
+- update to 6.3.1.1
+
 * Tue Aug 18 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 5.5.0.6382.bin-1mamba
 - package created using the webbuild interface