diff --git a/kactivities.spec b/kactivities.spec
index c380f2e..22ec619 100644
--- a/kactivities.spec
+++ b/kactivities.spec
@@ -1,6 +1,6 @@
 Name:          kactivities
 Version:       4.13.3
-Release:       1mamba
+Release:       2mamba
 Summary:       KDE Activity Manager
 Group:         Graphical Desktop/Libraries/KDE
 Vendor:        openmamba
@@ -22,8 +22,7 @@ BuildRequires: libstdc++6-devel
 BuildRequires: pkg-config
 ## AUTOBUILDREQ-END
 BuildRequires: libnepomuk-core-devel >= %{version}
-Obsoletes:     libkactivities
-Provides:      libkactivities = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -36,15 +35,23 @@ KDE Activity Manager:
 - Workspace
   Plugins for KDE workspace to easier integrate activities (KIO, etc.)
 
-%package devel
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       User activities manager
+
+%description -n lib%{name}
+When a user is interacting with a computer, there are three main areas of contextual information that may affect the behaviour of the system: who the user is, where they are, and what they are doing.
+*Activities* deal with the last one. 
+
+%package -n lib%{name}-devel
 Group:         Development/Libraries
 Summary:       Development files for %{name}
-Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
-Requires:      kdelibs-devel
-Obsoletes:     libkactivities-devel
-Provides:      libkactivities-devel = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      pkg-config
+Provides:      kactivities-devel
+Obsoletes:     kactivities-devel
 
-%description devel
+%description -n lib%{name}-devel
 This package contains libraries and header files for developing applications that use %{name}.
 
 %debug_package
@@ -69,16 +76,6 @@ This package contains libraries and header files for developing applications tha
 %files
 %defattr(-,root,root)
 %{_kde4_bindir}/kactivitymanagerd
-%{_kde4_libdir}/libkactivities.so.*
-%{_kde4_libdir}/libkactivities-models.so.*
-%{_kde4_libdir}/kde4/activitymanager_plugin_*.so
-#%{_kde4_libdir}/kde4/activitymanager_uihandler_declarative.so
-#%{_kde4_libdir}/kde4/activitymanager_uihandler_kdialog.so
-%{_kde4_libdir}/kde4/kactivitymanagerd_fileitem_linking_plugin.so
-%{_kde4_libdir}/kde4/imports/org/kde/activities/models/libkactivities-models-component-plugin.so
-%{_kde4_libdir}/kde4/imports/org/kde/activities/models/qmldir
-%{_kde4_libdir}/kde4/kio_activities.so
-%{_kde4_libdir}/kde4/kcm_activities.so
 #%dir %{_kde4_datadir}/plasma/packages/org.kde.ActivityManager.UiHandler
 #%dir %{_kde4_datadir}/plasma/packages/org.kde.ActivityManager.UiHandler/contents
 #%dir %{_kde4_datadir}/plasma/packages/org.kde.ActivityManager.UiHandler/contents/ui
@@ -94,7 +91,20 @@ This package contains libraries and header files for developing applications tha
 %{_kde4_sharedir}/ontology/kde/kao.trig
 %{_kde4_datadir}/activitymanager/workspace/settings/BlacklistApplicationView.qml
 
-%files devel
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_kde4_libdir}/libkactivities.so.*
+%{_kde4_libdir}/libkactivities-models.so.*
+%{_kde4_libdir}/kde4/activitymanager_plugin_*.so
+#%{_kde4_libdir}/kde4/activitymanager_uihandler_declarative.so
+#%{_kde4_libdir}/kde4/activitymanager_uihandler_kdialog.so
+%{_kde4_libdir}/kde4/kactivitymanagerd_fileitem_linking_plugin.so
+%{_kde4_libdir}/kde4/imports/org/kde/activities/models/libkactivities-models-component-plugin.so
+%{_kde4_libdir}/kde4/imports/org/kde/activities/models/qmldir
+%{_kde4_libdir}/kde4/kio_activities.so
+%{_kde4_libdir}/kde4/kcm_activities.so
+
+%files -n lib%{name}-devel
 %defattr(-,root,root)
 %dir %{_kde4_includedir}/KDE/KActivities
 %{_kde4_includedir}/KDE/KActivities/*
@@ -112,6 +122,9 @@ This package contains libraries and header files for developing applications tha
 %{_kde4_libdir}/pkgconfig/libkactivities-models.pc
 
 %changelog
+* Fri Aug 21 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 4.13.3-2mamba
+- add libkactivities and -devel
+
 * Tue Jul 15 2014 Automatic Build System <autodist@mambasoft.it> 4.13.3-1mamba
 - automatic version update by autodist