diff --git a/gambas3.spec b/gambas3.spec
index 792d504..d711476 100644
--- a/gambas3.spec
+++ b/gambas3.spec
@@ -2,7 +2,7 @@
 
 Name:          gambas3
 Version:       3.14.3
-Release:       3mamba
+Release:       4mamba
 Summary:       A development environment based on a BASIC interpreter with object extensions
 Group:         Applications/Development
 Vendor:        openmamba
@@ -564,6 +564,7 @@ Summary:       The Gambas Qt GUI component
 Group:         Applications/Development
 Provides:      gambas3-gb-qt4
 Requires:      %{name}-runtime = %{version}-%{release}
+Obsoletes:     gambas3-gb-qt-webkit
 
 %description gb-qt
 Gambas is a free development environment based on a Basic interpreter with object extensions, like Visual Basic(tm) (but it is NOT a clone!).
@@ -1419,6 +1420,9 @@ install -D -m0644 app/desktop/gambas3.svg %{buildroot}%{_datadir}/pixmaps/gambas
 %{_libdir}/%{name}/gb.libxml.*
 
 %changelog
+* Sat May 30 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 3.14.3-4mamba
+- gambas3-gb-qt5-webkit: obsolete gambas3-gb-qt-webkit
+
 * Thu May 28 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 3.14.3-3mamba
 - gambas3-ide: require gambas3-gb-jit