diff --git a/desktop-base-kde.spec b/desktop-base-kde.spec
index b7d3865..6024395 100644
--- a/desktop-base-kde.spec
+++ b/desktop-base-kde.spec
@@ -14,7 +14,7 @@
 
 Name:          desktop-base-kde
 Version:       5.3
-Release:       8mamba
+Release:       9mamba
 Summary:       KDE default desktop theme and menu entries for openmamba
 Group:         Graphical Desktop/Applications/Environment
 Vendor:        openmamba
@@ -206,6 +206,11 @@ Obsoletes:     kwebitpart < 5.0
 Obsoletes:     kppp < 5.0
 Obsoletes:     desktop-base-kde-4 < 5.0
 Obsoletes:     kpartsplugin <= 20131010
+Obsoletes:     kdepimlibs < 5
+Obsoletes:     kdepimlibs-devel < 5
+Obsoletes:     kdepimlibs-apidocs < 5
+Obsoletes:     kdepim-apps-libs <= 20.08.3
+Obsoletes:     kdepim-apps-libs-devel <= 20.08.3
 
 %description
 KDE default desktop theme and menu entries providing with various desktop related scripts and configuration files.
@@ -255,6 +260,9 @@ fi
 %doc gpl.txt
 
 %changelog
+* Sat Feb 25 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 5.3-9mamba
+- obsolete kdepimlibs* and kdepim-apps-libs*
+
 * Sun Feb 19 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 5.3-8mamba
 - require flatpak-kcm, plasma-welcome, ksshaskpass