diff --git a/libcairomm.spec b/libcairomm.spec
index a438b35..743bf14 100644
--- a/libcairomm.spec
+++ b/libcairomm.spec
@@ -1,6 +1,7 @@
 %define majver %(echo %version | cut -d. -f1-2)
+%define apiver 1.16
 Name:          libcairomm
-Version:       1.16.2
+Version:       1.18.0
 Release:       1mamba
 Summary:       A C++ wrapper for the cairo graphics library
 Group:         System/Libraries
@@ -53,24 +54,27 @@ This package contains static libraries and header files needed for development.
 
 %files
 %defattr(-,root,root)
-%{_libdir}/libcairomm-%{majver}.so.*
-%doc AUTHORS COPYING
+%{_libdir}/libcairomm-%{apiver}.so.*
+%doc COPYING
 
 %files devel
 %defattr(-,root,root)
-%{_libdir}/libcairomm-%{majver}.so
-%dir %{_libdir}/cairomm-%{majver}
-%dir %{_libdir}/cairomm-%{majver}/include
-%{_libdir}/cairomm-%{majver}/include/cairommconfig.h
-%dir %{_includedir}/cairomm-%{majver}/cairomm
-%{_includedir}/cairomm-%{majver}/cairomm/*.h
+%{_libdir}/libcairomm-%{apiver}.so
+%dir %{_libdir}/cairomm-%{apiver}
+%dir %{_libdir}/cairomm-%{apiver}/include
+%{_libdir}/cairomm-%{apiver}/include/cairommconfig.h
+%dir %{_includedir}/cairomm-%{apiver}/cairomm
+%{_includedir}/cairomm-%{apiver}/cairomm/*.h
+%{_datadir}/devhelp/books/cairomm-%{apiver}/cairomm-%{apiver}.devhelp2
 %{_libdir}/pkgconfig/*.pc
-%{_datadir}/devhelp/books/cairomm-%{majver}/cairomm-%{majver}.devhelp2
-%{_datadir}/doc/cairomm-%{majver}/reference/html/*
-%{_docdir}/cairomm-%{majver}/reference/cairomm-%{majver}.tag
-%doc ChangeLog NEWS README
+%{_datadir}/doc/cairomm-%{apiver}/reference/html/*
+%{_docdir}/cairomm-%{apiver}/reference/cairomm-%{apiver}.tag
+%doc ChangeLog NEWS README.md
 
 %changelog
+* Sun Oct 01 2023 Automatic Build System <autodist@mambasoft.it> 1.18.0-1mamba
+- automatic version update by autodist
+
 * Thu Sep 22 2022 Automatic Build System <autodist@mambasoft.it> 1.16.2-1mamba
 - automatic version update by autodist