diff --git a/openexr.spec b/openexr.spec
index 705005d..77b91bf 100644
--- a/openexr.spec
+++ b/openexr.spec
@@ -1,5 +1,5 @@
 Name:          openexr
-Version:       3.0.5
+Version:       3.1.1
 Release:       1mamba
 Summary:       A high dynamic-range (HDR) image file format for use in computer imaging applications.
 Group:         Applications/Graphics
@@ -19,6 +19,7 @@ BuildRequires: libstdc++6-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 BuildRequires: libimath-devel
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 Provides:      OpenEXR
 
 %description
@@ -38,7 +39,7 @@ OpenEXR is used by ILM on all motion pictures currently in production. The first
 %package -n lib%{name}-devel
 Group:         Development/Libraries
 Summary:       Static libraries and headers for %{name}
-Requires:      libopenexr = %{version}-%{release}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 Provides:      libilmbase-devel
 Obsoletes:     libilmbase-devel < 3.0.1
 Provides:      libOpenEXR-devel
@@ -76,8 +77,9 @@ This package contains static libraries and header files needed for development.
 %defattr(-,root,root)
 %{_libdir}/libIex-*.so.*
 %{_libdir}/libIlmThread-*.so.*
-%{_libdir}/libOpenEXR-3_0.so.*
-%{_libdir}/libOpenEXRUtil-3_0.so.*
+%{_libdir}/libOpenEXR-*.so.*
+%{_libdir}/libOpenEXRCore-*.so.*
+%{_libdir}/libOpenEXRUtil-*.so.*
 %doc LICENSE.md
 
 %files -n lib%{name}-devel
@@ -88,9 +90,11 @@ This package contains static libraries and header files needed for development.
 %{_libdir}/libIex.so
 %{_libdir}/libIlmThread-*.so
 %{_libdir}/libIlmThread.so
-%{_libdir}/libOpenEXR-3_0.so
+%{_libdir}/libOpenEXR-*.so
 %{_libdir}/libOpenEXR.so
-%{_libdir}/libOpenEXRUtil-3_0.so
+%{_libdir}/libOpenEXRCore-*.so
+%{_libdir}/libOpenEXRCore.so
+%{_libdir}/libOpenEXRUtil-*.so
 %{_libdir}/libOpenEXRUtil.so
 %dir %{_libdir}/cmake/OpenEXR
 %{_libdir}/cmake/OpenEXR/OpenEXR*.cmake
@@ -100,6 +104,9 @@ This package contains static libraries and header files needed for development.
 %doc README.md
 
 %changelog
+* Sun Aug 15 2021 Automatic Build System <autodist@mambasoft.it> 3.1.1-1mamba
+- automatic version update by autodist
+
 * Sat Jul 03 2021 Automatic Build System <autodist@mambasoft.it> 3.0.5-1mamba
 - automatic version update by autodist