diff --git a/embree.spec b/embree.spec
index fe9fae9..bf5297d 100644
--- a/embree.spec
+++ b/embree.spec
@@ -1,5 +1,5 @@
 Name:          embree
-Version:       3.13.5
+Version:       4.0.0
 Release:       1mamba
 Summary:       A collection of high-performance ray tracing kernels, developed at Intel
 Group:         System/Libraries
@@ -60,6 +60,8 @@ This package contains libraries and header files for developing applications tha
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 %makeinstall -C build
 
+rm -f %{buildroot}%{_prefix}/embree-vars.*
+
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
 
@@ -68,21 +70,24 @@ This package contains libraries and header files for developing applications tha
 
 %files -n lib%{name}
 %defattr(-,root,root)
-%{_libdir}/libembree3.so.*
+%{_libdir}/libembree4.so.*
 %doc LICENSE.txt
 
 %files -n lib%{name}-devel
 %defattr(-,root,root)
-%dir %{_includedir}/embree3
-%{_includedir}/embree3/*
-%{_libdir}/libembree3.so
-%dir %{_datadir}/doc/embree3
-%{_datadir}/doc/embree3/*
-%{_mandir}/man3/*3.gz
+%dir %{_includedir}/embree4
+%{_includedir}/embree4/*
+%{_libdir}/libembree4.so
+%dir %{_datadir}/doc/embree4
+%{_datadir}/doc/embree4/*
+%{_mandir}/man3/*4.gz
 %dir %{_libdir}/cmake/embree-%{version}
 %{_libdir}/cmake/embree-%{version}/embree*.cmake
 
 %changelog
+* Sun Feb 12 2023 Automatic Build System <autodist@mambasoft.it> 4.0.0-1mamba
+- automatic version update by autodist
+
 * Thu Sep 15 2022 Automatic Build System <autodist@mambasoft.it> 3.13.5-1mamba
 - automatic version update by autodist