diff --git a/libkcddb.spec b/libkcddb.spec
index 3f034b7..f33b5cf 100644
--- a/libkcddb.spec
+++ b/libkcddb.spec
@@ -1,6 +1,6 @@
 Name:          libkcddb
 Version:       20.08.1
-Release:       1mamba
+Release:       2mamba
 Summary:       KDE CDDB library
 Group:         System/Libraries
 Vendor:        openmamba
@@ -31,6 +31,7 @@ BuildRequires: libstdc++6-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libmusicbrainz-devel >= 5.1.0
 Obsoletes:     libkdemultimedia
+Obsoletes:     libkcddb4
 BuildRequires: cmake
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
@@ -42,6 +43,7 @@ Group:         Development/Libraries
 Summary:       Development files for %{name}
 Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 Obsoletes:     libkdemultimedia-devel
+Obsoletes:     libkcddb4-devel
 
 %description devel
 This package contains libraries and header files for developing applications that use %{name}.
@@ -87,6 +89,9 @@ This package contains libraries and header files for developing applications tha
 #%doc TODO
 
 %changelog
+* Fri Sep 11 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 20.08.1-2mamba
+- obsolete libkcddb4
+
 * Fri Sep 04 2020 Automatic Build System <autodist@mambasoft.it> 20.08.1-1mamba
 - automatic version update by autodist