diff --git a/ksystemstats.spec b/ksystemstats.spec
index 8a875a1..2dab912 100644
--- a/ksystemstats.spec
+++ b/ksystemstats.spec
@@ -2,7 +2,7 @@
 
 Name:          ksystemstats
 Version:       5.27.5
-Release:       1mamba
+Release:       2mamba
 Summary:       KDE Frameworks 5 daemon that collects statistics about the running system
 Group:         Graphical Desktop/Applications/Utilities
 Vendor:        openmamba
@@ -34,6 +34,7 @@ BuildRequires: qt5-qtbase-devel
 BuildRequires: cmake
 BuildRequires: rpm-macros-kde5
 BuildRequires: extra-cmake-modules
+Obsoletes:     ksensors <= 0.7.3-4mamba
 
 %description
 KSystemStats is a daemon that collects statistics about the running system.
@@ -67,6 +68,9 @@ KSystemStats is a daemon that collects statistics about the running system.
 %doc LICENSES
 
 %changelog
+* Sun Jun 11 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 5.27.5-2mamba
+- obsolete ksensors
+
 * Wed May 10 2023 Automatic Build System <autodist@mambasoft.it> 5.27.5-1mamba
 - automatic version update by autodist