1 files changed, 1 insertions, 0 deletions
diff --git a/Gemfile b/Gemfile
index 0ec948420..b0e848dae 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,6 +17,7 @@ gem "nokogiri", "~> 1.10.0"
 gem 'i18n', '~> 1.8.2'
 gem "rbpdf", "~> 1.20.0"
 gem 'addressable'
+gem 'rubyzip', (RUBY_VERSION < '2.4' ? '~> 1.3.0' : '~> 2.2.0')
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :x64_mingw, :mswin]