diff --git a/pkg-config-1.4.7.gem b/pkg-config-1.4.7.gem
deleted file mode 100644
index e87d7e4..0000000
Binary files a/pkg-config-1.4.7.gem and /dev/null differ
diff --git a/pkg-config-1.5.5.gem b/pkg-config-1.5.5.gem
new file mode 100644
index 0000000..0694d6d
Binary files /dev/null and b/pkg-config-1.5.5.gem differ
diff --git a/rubygem-pkg-config.spec b/rubygem-pkg-config.spec
index 42faf5f..7d84ad3 100644
--- a/rubygem-pkg-config.spec
+++ b/rubygem-pkg-config.spec
@@ -3,7 +3,7 @@
 %undefine       __brp_mangle_shebangs
 Summary:        A pkg-config implementation by Ruby
 Name:           rubygem-pkg-config
-Version:        1.4.7
+Version:        1.5.5
 Release:        1
 License:        LGPLv2+
 URL:            http://github.com/rcairo/pkg-config
@@ -65,6 +65,9 @@ ruby -Ilib:test:. ./test.rb
 %{gem_docdir}
 
 %changelog
+* Mon Nov 13 2023 liyanan <liyanan61@h-partners.com> - 1.5.5-1
+- Update to 1.5.5
+
 * Tue Jun 28 2022 wulei <wulei80@h-partners.com> - 1.4.7-1
 - Upgrade to 1.4.7