diff --git a/desktop-base-openmamba.spec b/desktop-base-openmamba.spec
index 0e79d0b..3b90095 100644
--- a/desktop-base-openmamba.spec
+++ b/desktop-base-openmamba.spec
@@ -20,7 +20,7 @@
 
 Name:          desktop-base-openmamba
 Version:       2021.03.1
-Release:       1mamba
+Release:       2mamba
 Summary:       openmamba default desktop theme and menu entries
 Group:         System/Tools
 Vendor:        openmamba
@@ -60,7 +60,7 @@ Requires:      postplug-sound
 Requires:      b43-tools
 %endif
 Provides:      libflashsupport
-Obsoletes:     libflashsupport
+Obsoletes:     libflashsupport < 99
 Requires:      usbinstall
 Requires:      ipheth
 Requires:      alsa-oss
@@ -74,7 +74,6 @@ Requires:      PyQt5-py3
 Requires:      python-sip-py3
 Requires:      pygobject-py3
 Requires:      libqt5-plugins
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 openmamba default desktop theme and menu entries providing with various desktop related scripts and configuration files.
@@ -116,10 +115,11 @@ Requires:      dosfstools
 Requires:      fuse-exfat
 Requires:      libarchive-tools
 Requires:      debianutils
+Requires:      man-pages
 # DNF: Obsolete packages removed from repository
-Obsoletes:     empathy
-Obsoletes:     libempathy
-Obsoletes:     libaccount-plugin
+Obsoletes:     empathy <= 3.25.90
+Obsoletes:     libempathy <= 3.25.90
+Obsoletes:     libaccount-plugin <= 0.1.5
 
 %description -n system-base-openmamba
 openmamba base tools for non graphical system.
@@ -241,6 +241,9 @@ _EOF
 %{_datadir}/openmamba/desktop/desktop-*.tar.bz2
 
 %changelog
+* Sun Apr 11 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2021.03.1-2mamba
+- system-base-openmamba: require man-pages
+
 * Tue Mar 02 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 2021.03.1-1mamba
 - update to 2021.03.1