diff --git a/Gemfile b/Gemfile
index da1c148..ddb5a5c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ group :rggen do
     instance_eval(File.read(gemfile_path), gemfile_path, 1)
 
   if ENV['USE_FIXED_GEMS'] == 'yes'
-    ['facets', 'rubyzip'].each do |library|
+    ['facets'].each do |library|
       library_path = File.expand_path("../#{library}", __dir__)
       if Dir.exist?(library_path) && !ENV['USE_GITHUB_REPOSITORY']
         gem library, path: library_path
@@ -20,6 +20,8 @@ group :rggen do
         gem library, git: "https://github.com/taichi-ishitani/#{library}.git"
       end
     end
+
+    gem 'rubyzip', '>= 2.3.0'
   end
 end