diff --git a/openexr.spec b/openexr.spec
index aaba1e1..eabfb8e 100644
--- a/openexr.spec
+++ b/openexr.spec
@@ -1,32 +1,24 @@
 Name:          openexr
-Version:       3.0.1
+Version:       3.0.4
 Release:       1mamba
 Summary:       A high dynamic-range (HDR) image file format for use in computer imaging applications.
 Group:         Applications/Graphics
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://www.openexr.org
+URL:           https://www.openexr.com/
 Source:        https://github.com/AcademySoftwareFoundation/openexr.git/v%{version}/openexr-%{version}.tar.bz2
 Patch0:        %{name}-1.6.1-gcc43.patch
 Patch1:        %{name}-1.7.0-gcc45.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
-BuildRequires: libGL-devel
-BuildRequires: libICE-devel
-BuildRequires: libSM-devel
-BuildRequires: libX11-devel
-BuildRequires: libXext-devel
-BuildRequires: libboost-devel
-BuildRequires: libfltk-devel
 BuildRequires: libgcc
-BuildRequires: libpython-devel
-BuildRequires: libpython3-devel
+BuildRequires: libimath-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libimath-devel
 Provides:      OpenEXR
 
 %description
@@ -84,38 +76,33 @@ This package contains static libraries and header files needed for development.
 %defattr(-,root,root)
 %{_libdir}/libIex-*.so.*
 %{_libdir}/libIlmThread-*.so.*
-%{_libdir}/libImath-*.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}/libIex-*.so
 %{_libdir}/libIex.so
 %{_libdir}/libIlmThread-*.so
 %{_libdir}/libIlmThread.so
-%{_libdir}/libImath-*.so
-%{_libdir}/libImath.so
 %{_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/OpenEXR*.cmake
-%{_libdir}/pkgconfig/Imath.pc
 %{_libdir}/pkgconfig/OpenEXR.pc
 %dir %{_datadir}/doc/OpenEXR
 %{_datadir}/doc/OpenEXR/*
 %doc README.md
 
 %changelog
+* Sat Jun 19 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 3.0.4-1mamba
+- update to 3.0.4
+
 * Sat Apr 03 2021 Automatic Build System <autodist@mambasoft.it> 3.0.1-1mamba
 - automatic version update by autodist