diff --git a/builder-3.2.3.gem b/builder-3.2.3.gem
deleted file mode 100644
index 3500c80..0000000
Binary files a/builder-3.2.3.gem and /dev/null differ
diff --git a/builder-3.2.4.gem b/builder-3.2.4.gem
new file mode 100644
index 0000000..b12407c
Binary files /dev/null and b/builder-3.2.4.gem differ
diff --git a/rubygem-builder-3.2.4-Fix-Ruby-3-compatibility.patch b/rubygem-builder-3.2.4-Fix-Ruby-3-compatibility.patch
new file mode 100644
index 0000000..4ecded3
--- /dev/null
+++ b/rubygem-builder-3.2.4-Fix-Ruby-3-compatibility.patch
@@ -0,0 +1,13 @@
+diff --git a/lib/blankslate.rb b/lib/blankslate.rb
+index 7ea1864..b974f40 100644
+--- a/lib/blankslate.rb
++++ b/lib/blankslate.rb
+@@ -129,7 +129,7 @@ class Module
+   alias blankslate_original_append_features append_features
+   def append_features(mod)
+     result = blankslate_original_append_features(mod)
+-    return result if mod != Object
++    return result if (mod != Object && mod != Kernel)
+     instance_methods.each do |name|
+       BlankSlate.hide(name)
+     end
diff --git a/rubygem-builder.spec b/rubygem-builder.spec
index ce9669e..34fd72a 100644
--- a/rubygem-builder.spec
+++ b/rubygem-builder.spec
@@ -1,13 +1,14 @@
 %global gem_name builder
 
 Name:                rubygem-%{gem_name}
-Version:             3.2.3
+Version:             3.2.4
 Release:             1
 Summary:             Builders for MarkUp
 License:             MIT
 URL:                 http://onestepback.org
 Source0:             https://rubygems.org/gems/%{gem_name}-%{version}.gem
 BuildRequires:       ruby(release) rubygems-devel ruby rubygem(minitest)
+Patch1:              rubygem-builder-3.2.4-Fix-Ruby-3-compatibility.patch
 BuildArch:           noarch
 %description
 Builder provides a number of builder objects that make creating structured
@@ -23,19 +24,23 @@ BuildArch:           noarch
 Documentation for %{name}.
 
 %prep
-%setup -q -c -T
-%gem_install -n %{SOURCE0}
+%setup -q -n %{gem_name}-%{version}
+
+%patch1 -p1
 
 %build
+gem build ../%{gem_name}-%{version}.gemspec
+
+%gem_install
 
 %install
 mkdir -p %{buildroot}%{gem_dir}
 cp -a .%{gem_dir}/* \
         %{buildroot}%{gem_dir}/
-# Fix anything executable that does not have a shebang.
-for file in `find %{buildroot}/%{gem_instdir} -name "*.rb"`; do
-    [ ! -z "`head -n 1 $file | grep \"^#!\"`" ] && chmod +x $file
-done
+pushd %{buildroot}%{gem_instdir}
+  find -type f -name '*.rb' -print | xargs sed -i '/#!\/usr\/bin\/env/d'
+popd
+
 chmod -x %{buildroot}%{gem_instdir}/doc/releases/builder-2.1.1.rdoc
 
 %check
@@ -55,10 +60,15 @@ popd
 %doc %{gem_instdir}/CHANGES
 %doc %{gem_instdir}/README.md
 %{gem_instdir}/Rakefile
+%{gem_instdir}/builder.blurb
+%{gem_instdir}/builder.gemspec
 %doc %{gem_instdir}/doc
 %{gem_instdir}/rakelib
 %{gem_instdir}/test
 
 %changelog
+* Thu Feb 10 2022 chenchen <chen_aka_jan@163.com> - 3.2.4-1
+- update to 3.2.4
+
 * Sat Jul 25 2020 wangxiao <wangxiao65@huawei.com> - 3.2.3-1
 - package init