diff --git a/Rakefile b/Rakefile
index c6fa8e9..d32bbf3 100644
--- a/Rakefile
+++ b/Rakefile
@@ -12,10 +12,44 @@ CLOBBER.include FileList['**/tmp'],
                 FileList['tmp/']
 CLOBBER.add("ports/*").exclude(%r{ports/archives$})
 
+RE2_GEM_SPEC = Gem::Specification.load('re2.gemspec')
+
 Rake::ExtensionTask.new('re2')
 
+Gem::PackageTask.new(RE2_GEM_SPEC) do |p|
+  p.need_zip = false
+  p.need_tar = false
+end
+
 RSpec::Core::RakeTask.new(:spec)
 
+def gem_build_path
+  File.join 'pkg', RE2_GEM_SPEC.full_name
+end
+
+def add_file_to_gem(relative_source_path)
+  dest_path = File.join(gem_build_path, relative_source_path)
+  dest_dir = File.dirname(dest_path)
+
+  mkdir_p dest_dir unless Dir.exist?(dest_dir)
+  rm_f dest_path if File.exist?(dest_path)
+  safe_ln relative_source_path, dest_path
+
+  RE2_GEM_SPEC.files << relative_source_path
+end
+
+def add_vendored_libraries
+  dependencies = YAML.load_file(File.join(File.dirname(__FILE__), 'dependencies.yml'))
+  abseil_archive = File.join('ports', 'archives', "#{dependencies['abseil']['version']}.tar.gz")
+  libre2_archive = File.join('ports', 'archives', "re2-#{dependencies['libre2']['version']}.tar.gz")
+
+  add_file_to_gem(abseil_archive)
+  add_file_to_gem(libre2_archive)
+end
+
+task gem_build_path do
+  add_vendored_libraries
+end
+
 task :spec    => :compile
 task :default => :spec
-