diff --git a/diff-lcs-1.3.gem b/diff-lcs-1.3.gem
new file mode 100644
index 0000000..ae5a5f9
Binary files /dev/null and b/diff-lcs-1.3.gem differ
diff --git a/diff-lcs-1.5.0.gem b/diff-lcs-1.5.0.gem
deleted file mode 100644
index 3a25852..0000000
Binary files a/diff-lcs-1.5.0.gem and /dev/null differ
diff --git a/rubygem-diff-lcs.spec b/rubygem-diff-lcs.spec
index 793f5e5..79f7784 100644
--- a/rubygem-diff-lcs.spec
+++ b/rubygem-diff-lcs.spec
@@ -1,13 +1,13 @@
 %global gem_name diff-lcs
 %{!?_with_bootstrap: %global bootstrap 0}
 Name:                rubygem-%{gem_name}
-Version:             1.5.0
+Version:             1.3
 Release:             1
 Summary:             Provide a list of changes between two sequenced collections
 License:             GPLv2+ or Artistic or MIT
 URL:                 https://github.com/halostatue/diff-lcs
 Source0:             https://rubygems.org/gems/diff-lcs-%{version}.gem
-BuildRequires:       rubygems-devel rubygem(did_you_mean)
+BuildRequires:       rubygems-devel
 %if ! 0%{?bootstrap}
 BuildRequires:       rubygem(rspec)
 %endif
@@ -66,13 +66,11 @@ popd
 %doc %{gem_instdir}/Contributing.md
 %doc %{gem_instdir}/History.md
 %doc %{gem_instdir}/Manifest.txt
+%{gem_instdir}/autotest
 %doc %{gem_instdir}/README.rdoc
 %{gem_instdir}/Rakefile
 %{gem_instdir}/spec
 
 %changelog
-* Mon Nov 13 2023 liyanan <liyanan61@h-partners.com> - 1.5.0-1
-- Update to 1.5.0
-
 * Mon Aug 10 2020 yanan li <liyanan032@huawei.com> - 1.3-1
 - Package init