diff --git a/desktop-base-kde.spec b/desktop-base-kde.spec
index bec1c6d..962e9e0 100644
--- a/desktop-base-kde.spec
+++ b/desktop-base-kde.spec
@@ -14,7 +14,7 @@
 
 Name:          desktop-base-kde
 Version:       4.0.4
-Release:       5mamba
+Release:       8mamba
 Summary:       KDE default desktop theme and menu entries for openmamba
 Group:         Graphical Desktop/Applications/Environment
 Vendor:        openmamba
@@ -135,20 +135,40 @@ Obsoletes:     kde-l10n-uk
 Obsoletes:     kde-l10n-wa
 Obsoletes:     kde-l10n-zh_CN
 Obsoletes:     kde-l10n-zh_TW
+Provides:      kde-workspace
 Obsoletes:     kde-workspace
 Obsoletes:     kinfocenter
 Obsoletes:     kde-workspace-wallpapers
 Obsoletes:     kde-workspace-devel
 Obsoletes:     kdm
+Obsoletes:     kdm-theme-openmamba
 Obsoletes:     ruby-plasma-scriptengine
 Obsoletes:     python-plasma-scriptengine
 Obsoletes:     PyKDE4
 Obsoletes:     PyKDE4-devel
 Obsoletes:     ksaneplugin
-Obsoletes:     kde4-screensavers
 Obsoletes:     QtCurve-KDE3
 Obsoletes:     QtCurve-KDE4
 Obsoletes:     ktux
+Obsoletes:     qyoto
+Obsoletes:     qyoto-devel
+Obsoletes:     qtruby
+Obsoletes:     qtruby-devel
+Obsoletes:     smokeqt
+Obsoletes:     smokeqt-devel
+Obsoletes:     perl-Qt4
+Obsoletes:     perl-Qt4-devel
+Obsoletes:     smokekde-devel
+Obsoletes:     kde4-screensavers
+Obsoletes:     kde4-color-schemes-addons
+Obsoletes:     kde4-desktoptheme
+Obsoletes:     kde4-emoticons-addons
+Obsoletes:     kde4-icons-addons
+Obsoletes:     kde4-sounds-addons
+Obsoletes:     kde4-wallpapers-addons
+Obsoletes:     kde4-decoration-aurorae-themes
+Obsoletes:     kde4-kwin-styles
+Obsoletes:     kde4-icons-mono
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -290,6 +310,15 @@ exit 0
 %{_datadir}/wallpapers/openmamba_Circles
 
 %changelog
+* Tue Jan 08 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.4-8mamba
+- provide kde-workspace
+
+* Mon Jan 07 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.4-7mamba
+- obsolete kdeartwork packages
+
+* Mon Jan 07 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.4-6mamba
+- obsolete other kde4 packages
+
 * Fri Jan 04 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.4-5mamba
 - also obsolete python-plasma-scriptengine and other packages provides by kde-workspace