diff --git a/youtube-dl.spec b/youtube-dl.spec
index d482909..b75d263 100644
--- a/youtube-dl.spec
+++ b/youtube-dl.spec
@@ -1,21 +1,19 @@
 Name:          youtube-dl
-Version:       2021.04.26
+Version:       2021.05.16
 Release:       1mamba
 Summary:       A small command-line program to download videos from YouTube.com and a few more sites
 Group:         Applications/Multimedia
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://rg3.github.com/youtube-dl/
-# Source is not versioned; automatic update can't be performed
-#Source:        https://raw.github.com/rg3/youtube-dl/%{version}/youtube-dl
-Source:        git://github.com/rg3/youtube-dl.git/master/youtube-dl-%{version}.tar.bz2
+URL:           https://github.com/ytdl-org/youtube-dl
+Source:        https://github.com/ytdl-org/youtube-dl.git/%{version}/youtube-dl-%{version}.tar.bz2
 License:       Public Domain
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
 BuildRequires: pandoc
 Requires:      ffmpeg
-Requires:      python >= %python_version
+Requires:      python3
 BuildArch:     noarch
 
 %description
@@ -26,11 +24,11 @@ youtube-dl is a small command-line program to download videos from YouTube.com a
 rm -f youtube-dl youtube-dl.exe
 
 %build
-%make PREFIX=%{_prefix} MANDIR=%{_mandir}
+%make PREFIX=%{_prefix} MANDIR=%{_mandir} PYTHON=%{__python3}
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-%makeinstall PREFIX=%{_prefix} MANDIR=%{_mandir}
+%makeinstall PREFIX=%{_prefix} MANDIR=%{_mandir} PYTHON=%{__python3}
 
 %files
 %defattr(-,root,root)
@@ -41,6 +39,9 @@ rm -f youtube-dl youtube-dl.exe
 %{_mandir}/man1/youtube-dl.1*
 
 %changelog
+* Wed May 19 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2021.05.16-1mamba
+- update to 2021.05.16
+
 * Mon Apr 26 2021 Automatic Build System <autodist@mambasoft.it> 2021.04.26-1mamba
 - automatic version update by autodist