diff --git a/bcrypt-3.1.18.gem b/bcrypt-3.1.18.gem
deleted file mode 100644
index 98f0b7628eb8738421370b9445717aedbf3427a8..0000000000000000000000000000000000000000
Binary files a/bcrypt-3.1.18.gem and /dev/null differ
diff --git a/bcrypt-3.1.20.gem b/bcrypt-3.1.20.gem
new file mode 100644
index 0000000000000000000000000000000000000000..c1242b57e8aa4fe841398d3c89825818cf9f0dcf
Binary files /dev/null and b/bcrypt-3.1.20.gem differ
diff --git a/rubygem-bcrypt.spec b/rubygem-bcrypt.spec
index f1164dcf76983fbd5105ceba433946461ebb4a90..400ec94e8aeb04eba123de2437deed6d9d109a23 100644
--- a/rubygem-bcrypt.spec
+++ b/rubygem-bcrypt.spec
@@ -1,6 +1,6 @@
 %global gem_name bcrypt
 Name:                rubygem-%{gem_name}
-Version:             3.1.18
+Version:             3.1.20
 Release:             1
 Summary:             Wrapper around bcrypt() password hashing algorithm
 License:             MIT and Public Domain and ISC
@@ -55,13 +55,12 @@ popd
 %files help
 %doc %{gem_docdir}
 %doc %{gem_instdir}/CHANGELOG
-%{gem_instdir}/Gemfile*
 %doc %{gem_instdir}/README.md
-%{gem_instdir}/Rakefile
-%{gem_instdir}/%{gem_name}.gemspec
-%{gem_instdir}/spec
 
 %changelog
+* Wed Sep 25 2024 wangkai <13474090681@163.com> - 3.1.20-1
+- Update to 3.1.20
+
 * Wed Jan 17 2024 liyanan <liyanan61@h-partners.com> - 3.1.18-1
 - Upgrade version to 3.1.18