diff --git a/openexr.spec b/openexr.spec
index ef51046..aaba1e1 100644
--- a/openexr.spec
+++ b/openexr.spec
@@ -1,5 +1,5 @@
 Name:          openexr
-Version:       2.5.5
+Version:       3.0.1
 Release:       1mamba
 Summary:       A high dynamic-range (HDR) image file format for use in computer imaging applications.
 Group:         Applications/Graphics
@@ -28,7 +28,6 @@ BuildRequires: libstdc++6-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 Provides:      OpenEXR
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light & Magic for use in computer imaging applications. 
@@ -37,7 +36,7 @@ OpenEXR is used by ILM on all motion pictures currently in production. The first
 %package -n lib%{name}
 Group:         Development/Libraries
 Summary:       Static libraries and headers for %{name}
-Obsoletes:     libOpenEXR
+Obsoletes:     libOpenEXR < 3.0.1
 Provides:      libOpenEXR
 
 %description -n lib%{name}
@@ -49,9 +48,9 @@ Group:         Development/Libraries
 Summary:       Static libraries and headers for %{name}
 Requires:      libopenexr = %{version}-%{release}
 Provides:      libilmbase-devel
-Obsoletes:     libilmbase-devel
+Obsoletes:     libilmbase-devel < 3.0.1
 Provides:      libOpenEXR-devel
-Obsoletes:     libOpenEXR-devel
+Obsoletes:     libOpenEXR-devel < 3.0.1
 
 %description -n lib%{name}-devel
 OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light & Magic for use in computer imaging applications. 
@@ -83,57 +82,43 @@ This package contains static libraries and header files needed for development.
 
 %files -n lib%{name}
 %defattr(-,root,root)
-%{_libdir}/libHalf-*.so.*
 %{_libdir}/libIex-*.so.*
-%{_libdir}/libIexMath-*.so.*
-%{_libdir}/libIlmImf-*.so.*
-%{_libdir}/libIlmImfUtil-*.so.*
 %{_libdir}/libIlmThread-*.so.*
 %{_libdir}/libImath-*.so.*
-%{_libdir}/libPyIex_Python3_7-*.so.*
-%{_libdir}/libPyImath_Python3_7-*.so.*
-%{python3_sitearch}/iex.so
-%{python3_sitearch}/imath.so
+%{_libdir}/libOpenEXR-3_0.so.*
+%{_libdir}/libOpenEXRUtil-3_0.so.*
 %doc LICENSE.md
 
 %files -n lib%{name}-devel
 %defattr(-,root,root)
+%dir %{_includedir}/Imath
+%{_includedir}/Imath/*.h
 %dir %{_includedir}/OpenEXR
 %{_includedir}/OpenEXR/*.h
-%{_libdir}/libIlmImf.so
-%{_libdir}/libHalf-*.so
-%{_libdir}/libHalf.so
 %{_libdir}/libIex-*.so
 %{_libdir}/libIex.so
-%{_libdir}/libIexMath-*.so
-%{_libdir}/libIexMath.so
-%{_libdir}/libIlmImf-*.so
-%{_libdir}/libIlmImfUtil-*.so
 %{_libdir}/libIlmThread-*.so
 %{_libdir}/libIlmThread.so
 %{_libdir}/libImath-*.so
 %{_libdir}/libImath.so
-%{_libdir}/libPyIex_Python3_7-*.so
-%{_libdir}/libPyImath_Python3_7-*.so
-%{_libdir}/libIlmImfUtil.so
-%dir %{_libdir}/cmake/IlmBase
-%{_libdir}/cmake/IlmBase/IlmBaseConfig*.cmake
+%{_libdir}/libOpenEXR-3_0.so
+%{_libdir}/libOpenEXR.so
+%{_libdir}/libOpenEXRUtil-3_0.so
+%{_libdir}/libOpenEXRUtil.so
+%dir %{_libdir}/cmake/Imath
+%{_libdir}/cmake/Imath/Imath*.cmake
 %dir %{_libdir}/cmake/OpenEXR
-%{_libdir}/cmake/OpenEXR/OpenEXRConfig*.cmake
-%dir %{_libdir}/cmake/PyIlmBase
-%{_libdir}/cmake/PyIlmBase/PyIlmBaseConfig*.cmake
-%{_libdir}/pkgconfig/IlmBase.pc
+%{_libdir}/cmake/OpenEXR/OpenEXR*.cmake
+%{_libdir}/pkgconfig/Imath.pc
 %{_libdir}/pkgconfig/OpenEXR.pc
 %dir %{_datadir}/doc/OpenEXR
 %{_datadir}/doc/OpenEXR/*
-%dir %{_libdir}/cmake/IlmBase
-%{_libdir}/cmake/IlmBase/IlmBaseTargets*.cmake
-%dir %{_libdir}/cmake/OpenEXR
-%{_libdir}/cmake/OpenEXR/OpenEXRTargets*.cmake
-%{_libdir}/pkgconfig/PyIlmBase.pc
 %doc README.md
 
 %changelog
+* Sat Apr 03 2021 Automatic Build System <autodist@mambasoft.it> 3.0.1-1mamba
+- automatic version update by autodist
+
 * Sun Feb 21 2021 Automatic Build System <autodist@mambasoft.it> 2.5.5-1mamba
 - automatic version update by autodist