diff --git a/boost.spec b/boost.spec
index 46a09fe5ba3d95b8b17a90d1dd78a7af2c4956d9..8d3d2f4b99ebee3999d5428faf744564d29678ba 100644
--- a/boost.spec
+++ b/boost.spec
@@ -5,6 +5,7 @@
 %global toplev_dirname %{name}_%{version_enc}
 %global sonamever %{version}
 %global python3_lib_version 38
+%global old_so_version 1.73
 
 %bcond_with mpich
 %bcond_with openmpi
@@ -22,7 +23,7 @@
 
 Name:           boost
 Version:        1.75.0
-Release:        1
+Release:        2
 Summary:        The free peer-reviewed portable C++ source libraries
 License:        Boost Software license V1.0
 URL:            http://www.boost.org
@@ -701,8 +702,8 @@ echo ============================= install $MPI_COMPILER ==================
   variant=release threading=multi debug-symbols=on pch=off \
   python=%{python3_version} stage
 
-mkdir -p ${RPM_BUILD_ROOT}%{python2_sitearch}/openmpi/boost
-touch ${RPM_BUILD_ROOT}%{python2_sitearch}/openmpi/boost/__init__.py
+mkdir -p ${RPM_BUILD_ROOT}%{python3_sitearch}/openmpi/boost
+touch ${RPM_BUILD_ROOT}%{python3_sitearch}/openmpi/boost/__init__.py
 mv ${RPM_BUILD_ROOT}${MPI_HOME}/lib/boost-python%{python3_version}/mpi.so \
    ${RPM_BUILD_ROOT}%{python3_sitearch}/openmpi/boost/
 %endif
@@ -774,7 +775,7 @@ echo ============================= install Boost.Build ==================
 
  install -m 755 %{_builddir}/%{name}_%{version_enc}/tools/build/b2 $RPM_BUILD_ROOT%{_bindir}/bjam
  %{__install} -p -m 644 %{SOURCE2} -D $RPM_BUILD_ROOT%{_mandir}/man1/bjam.1
- cp %{_libdir}/libboost_*.so.1.66.* $RPM_BUILD_ROOT%{_libdir}
+ cp %{_libdir}/libboost_*.so.%{old_so_version}.* $RPM_BUILD_ROOT%{_libdir}
 )
 
 echo ============================= install Boost.QuickBook ==================
@@ -863,73 +864,73 @@ fi
 
 %files
 %license LICENSE_1_0.txt
-%exclude %{_libdir}/libboost_signals.so.1.66.0
 
 %files contract
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_contract.so.%{sonamever}
+%{_libdir}/libboost_contract.so.%{old_so_version}.*
 
 %files atomic
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_atomic.so.%{sonamever}
-%{_libdir}/libboost_atomic.so.1.66.*
+%{_libdir}/libboost_atomic.so.%{old_so_version}.*
 
 %files chrono
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_chrono.so.%{sonamever}
-%{_libdir}/libboost_chrono.so.1.66.*
+%{_libdir}/libboost_chrono.so.%{old_so_version}.*
 
 %files container
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_container.so.%{sonamever}
-%{_libdir}/libboost_container.so.1.66.*
+%{_libdir}/libboost_container.so.%{old_so_version}.*
 
 %files context
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_context.so.%{sonamever}
-%{_libdir}/libboost_context.so.1.66.*
+%{_libdir}/libboost_context.so.%{old_so_version}.*
 
 %files coroutine
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_coroutine.so.%{sonamever}
-%{_libdir}/libboost_coroutine.so.1.66.*
+%{_libdir}/libboost_coroutine.so.%{old_so_version}.*
 
 %files date-time
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_date_time.so.%{sonamever}
-%{_libdir}/libboost_date_time.so.1.66.*
+%{_libdir}/libboost_date_time.so.%{old_so_version}.*
 
 %files fiber
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_fiber.so.%{sonamever}
-%{_libdir}/libboost_fiber.so.1.66.*
+%{_libdir}/libboost_fiber.so.%{old_so_version}.*
 
 %files filesystem
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_filesystem.so.%{sonamever}
-%{_libdir}/libboost_filesystem.so.1.66.*
+%{_libdir}/libboost_filesystem.so.%{old_so_version}.*
 
 %files graph
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_graph.so.%{sonamever}
-%{_libdir}/libboost_graph.so.1.66.*
+%{_libdir}/libboost_graph.so.%{old_so_version}.*
 
 %files iostreams
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_iostreams.so.%{sonamever}
-%{_libdir}/libboost_iostreams.so.1.66.*
+%{_libdir}/libboost_iostreams.so.%{old_so_version}.*
 
 %files locale
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_locale.so.%{sonamever}
-%{_libdir}/libboost_locale.so.1.66.*
+%{_libdir}/libboost_locale.so.%{old_so_version}.*
 
 %files log
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_log.so.%{sonamever}
-%{_libdir}/libboost_log.so.1.66.*
+%{_libdir}/libboost_log.so.%{old_so_version}.*
 %{_libdir}/libboost_log_setup.so.%{sonamever}
-%{_libdir}/libboost_log_setup.so.1.66.*
+%{_libdir}/libboost_log_setup.so.%{old_so_version}.*
 
 %files math
 %license LICENSE_1_0.txt
@@ -940,12 +941,12 @@ fi
 %{_libdir}/libboost_math_tr1f.so.%{sonamever}
 %{_libdir}/libboost_math_tr1l.so.%{sonamever}
 
-%{_libdir}/libboost_math_c99.so.1.66.*
-%{_libdir}/libboost_math_c99f.so.1.66.*
-%{_libdir}/libboost_math_c99l.so.1.66.*
-%{_libdir}/libboost_math_tr1.so.1.66.*
-%{_libdir}/libboost_math_tr1f.so.1.66.*
-%{_libdir}/libboost_math_tr1l.so.1.66.*
+%{_libdir}/libboost_math_c99.so.%{old_so_version}.*
+%{_libdir}/libboost_math_c99f.so.%{old_so_version}.*
+%{_libdir}/libboost_math_c99l.so.%{old_so_version}.*
+%{_libdir}/libboost_math_tr1.so.%{old_so_version}.*
+%{_libdir}/libboost_math_tr1f.so.%{old_so_version}.*
+%{_libdir}/libboost_math_tr1l.so.%{old_so_version}.*
 
 %files nowide
 %license LICENSE_1_0.txt
@@ -956,12 +957,12 @@ fi
 %files numpy3
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_numpy%{python3_lib_version}.so.%{sonamever}
-%{_libdir}/libboost_numpy3.so.1.66.*
+%{_libdir}/libboost_numpy%{python3_lib_version}.so.%{old_so_version}.*
 
 %files python3
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_python%{python3_lib_version}.so.%{sonamever}
-%{_libdir}/libboost_python3.so.1.66.*
+%{_libdir}/libboost_python%{python3_lib_version}.so.%{old_so_version}.*
 
 %files python3-devel
 %license LICENSE_1_0.txt
@@ -974,64 +975,64 @@ fi
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_prg_exec_monitor.so.%{sonamever}
 %{_libdir}/libboost_unit_test_framework.so.%{sonamever}
-%{_libdir}/libboost_prg_exec_monitor.so.1.66.*
-%{_libdir}/libboost_unit_test_framework.so.1.66.*
+%{_libdir}/libboost_prg_exec_monitor.so.%{old_so_version}.*
+%{_libdir}/libboost_unit_test_framework.so.%{old_so_version}.*
 
 %files program-options
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_program_options.so.%{sonamever}
-%{_libdir}/libboost_program_options.so.1.66.*
+%{_libdir}/libboost_program_options.so.%{old_so_version}.*
 
 %files random
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_random.so.%{sonamever}
-%{_libdir}/libboost_random.so.1.66.*
+%{_libdir}/libboost_random.so.%{old_so_version}.*
 
 %files regex
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_regex.so.%{sonamever}
-%{_libdir}/libboost_regex.so.1.66.*
+%{_libdir}/libboost_regex.so.%{old_so_version}.*
 
 %files serialization
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_serialization.so.%{sonamever}
 %{_libdir}/libboost_wserialization.so.%{sonamever}
 
-%{_libdir}/libboost_serialization.so.1.66.*
-%{_libdir}/libboost_wserialization.so.1.66.*
+%{_libdir}/libboost_serialization.so.%{old_so_version}.*
+%{_libdir}/libboost_wserialization.so.%{old_so_version}.*
 %files stacktrace
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_stacktrace_addr2line.so.%{sonamever}
 %{_libdir}/libboost_stacktrace_basic.so.%{sonamever}
 %{_libdir}/libboost_stacktrace_noop.so.%{sonamever}
 
-%{_libdir}/libboost_stacktrace_addr2line.so.1.66.*
-%{_libdir}/libboost_stacktrace_basic.so.1.66.*
-%{_libdir}/libboost_stacktrace_noop.so.1.66.*
+%{_libdir}/libboost_stacktrace_addr2line.so.%{old_so_version}.*
+%{_libdir}/libboost_stacktrace_basic.so.%{old_so_version}.*
+%{_libdir}/libboost_stacktrace_noop.so.%{old_so_version}.*
 %files system
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_system.so.%{sonamever}
-%{_libdir}/libboost_system.so.1.66.*
+%{_libdir}/libboost_system.so.%{old_so_version}.*
 
 %files thread
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_thread.so.%{sonamever}
-%{_libdir}/libboost_thread.so.1.66.*
+%{_libdir}/libboost_thread.so.%{old_so_version}.*
 
 %files timer
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_timer.so.%{sonamever}
-%{_libdir}/libboost_timer.so.1.66.*
+%{_libdir}/libboost_timer.so.%{old_so_version}.*
 
 %files type_erasure
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_type_erasure.so.%{sonamever}
-%{_libdir}/libboost_type_erasure.so.1.66.*
+%{_libdir}/libboost_type_erasure.so.%{old_so_version}.*
 
 %files wave
 %license LICENSE_1_0.txt
 %{_libdir}/libboost_wave.so.%{sonamever}
-%{_libdir}/libboost_wave.so.1.66.*
+%{_libdir}/libboost_wave.so.%{old_so_version}.*
 
 %files help
 %doc %{boost_docdir}/*
@@ -1127,6 +1128,9 @@ fi
 %{_mandir}/man1/bjam.1*
 
 %changelog
+* Thu Feb 4 2021 xinghe <xinghe1@huawei.com> - 1.75.0-2
+- fix master build
+
 * Wed Feb 3 2021 xinghe <xinghe1@huawei.com> - 1.75.0-1
 - update version to 1.75.0