diff --git a/COPASI.spec b/COPASI.spec
index b3f6892..164aec8 100644
--- a/COPASI.spec
+++ b/COPASI.spec
@@ -26,8 +26,10 @@
 %global with_mono    1
 %else
 %global with_mono    0
+Obsoletes: %{name}-sharp < 4.24.197-7
 %endif
 %endif
+#
 
 ##Use QWT6? (Experimental)
 %global with_qwt6    0
@@ -43,7 +45,7 @@
 Name:  COPASI
 Summary: Biochemical network simulator
 Version: 4.24.%{buildid}
-Release: 7%{?dist}
+Release: 8%{?dist}
 
 ##Artistic 2.0 is main license
 ##GPLv2+ is related to a Mixed Source Licensing Scenario
@@ -55,7 +57,7 @@ Release: 7%{?dist}
 ##Any files with different licenses are not involved
 License: Artistic 2.0 and GPLv3+ and BSD
 URL:   http://copasi.org/
-Source0: https://github.com/copasi/COPASI/archive/Build-%{buildid}.tar.gz#/%{name}-Build-%{buildid}.tar.gz
+Source0: https://github.com/copasi/COPASI/archive/Build-%{buildid}/%{name}-Build-%{buildid}.tar.gz
 Source1: %{name}.appdata.xml
 
 # Whitelisting errors
@@ -468,6 +470,9 @@ appstream-util validate-relax --nonet $RPM_BUILD_ROOT%{_metainfodir}/*.appdata.x
 %{_datadir}/copasi/doc/
 
 %changelog
+* Fri Mar 08 2019 Antonio Trande <sagitter@fedoraproject.org> - 4.24.197-8
+- Obsolete COPASI-sharp on fedora 30+/pp64* (rhbz#1588734,#1686738)
+
 * Fri Mar 08 2019 Antonio Trande <sagitter@fedoraproject.org> - 4.24.197-7
 - Exclude mono builds on fedora 30+/pp64* (rhbz#1588734,#1686738)