diff --git a/dar.spec b/dar.spec
index d633c50..0e6898f 100644
--- a/dar.spec
+++ b/dar.spec
@@ -1,7 +1,7 @@
 %define        libname         lib%{name}
 
 Name:          dar
-Version:       2.7.7
+Version:       2.7.8
 Release:       1mamba
 Summary:       A shell command that backs up directory trees and files
 Group:         Applications/Archiving
@@ -43,7 +43,7 @@ Finally, DAR handles save and restore of hard and symbolic links.
 Summary:       DAR API library
 Group:         System/Libraries
 Provides:      libdar22
-Obsoletes:     libdar22
+Obsoletes:     libdar22 < 2.7.8
 
 %description -n %{libname}
 The core part of DAR programs.
@@ -53,7 +53,7 @@ Summary:       Development files for %{libname}
 Group:         Development/Libraries
 Requires:      %{libname} = %{?epoch:%epoch:}%{version}-%{release}
 Provides:      libdar22-devel
-Obsoletes:     libdar22-devel
+Obsoletes:     libdar22-devel < 2.7.8
 
 %description -n %{libname}-devel
 The core part of DAR programs.
@@ -102,12 +102,14 @@ mv %{buildroot}%{_libdir}/python3/dist-packages/* %{buildroot}%{pyhton3_sitearch
 %dir %{_includedir}/%{name}
 %{_includedir}/%{name}/*
 %{_libdir}/libdar*.a
-%{_libdir}/libdar*.la
 %{_libdir}/libdar*.so
 %{_libdir}/pkgconfig/%{libname}*.pc
 %doc ChangeLog NEWS README THANKS TODO
 
 %changelog
+* Sat Dec 03 2022 Automatic Build System <autodist@mambasoft.it> 2.7.8-1mamba
+- automatic version update by autodist
+
 * Mon Aug 08 2022 Automatic Build System <autodist@mambasoft.it> 2.7.7-1mamba
 - automatic version update by autodist