diff --git a/rubygem-msgpack.spec b/rubygem-msgpack.spec
index c32941b..a5e352a 100644
--- a/rubygem-msgpack.spec
+++ b/rubygem-msgpack.spec
@@ -1,7 +1,7 @@
 %global gem_name msgpack
 Name:                rubygem-%{gem_name}
 Version:             1.4.5
-Release:             1
+Release:             2
 Summary:             MessagePack, a binary-based efficient data interchange format
 License:             ASL 2.0
 URL:                 http://msgpack.org/
@@ -37,8 +37,6 @@ cp -a .%{gem_dir}/* \
         %{buildroot}%{gem_dir}/
 mkdir -p %{buildroot}%{gem_extdir_mri}
 cp -ar .%{gem_extdir_mri}/{gem.build_complete,%{gem_name}} %{buildroot}%{gem_extdir_mri}/
-mkdir -p %{buildroot}%{gem_extdir_mri}/lib/%{gem_name}
-cp -ar .%{gem_instdir}/ext/%{gem_name}/%{gem_name}.so %{buildroot}%{gem_extdir_mri}/lib/%{gem_name}
 rm -rf %{buildroot}%{gem_instdir}/ext/
 rm -rf %{buildroot}%{gem_instdir}/.github
 rm -f %{buildroot}%{gem_instdir}/{.gitignore,.travis.yml}
@@ -72,6 +70,9 @@ popd
 %{gem_instdir}/spec
 
 %changelog
+* Tue Aug 01 2023 yaoxin <yao_xin001@hoperun.com> - 1.4.5-2
+- Fix build failure caused by ruby update to 3.2.2
+
 * Fri Feb 25 2022 Yangyunyi <yangyunyi2@huawei.com> - 1.4.5-1
 - Update rubygem-msgpack to 1.4.5