1 files changed, 1 insertions, 1 deletions
diff --git a/Gemfile b/Gemfile
index c288254a7..cad8604e4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -22,7 +22,7 @@ gem 'nokogiri', (if Gem.ruby_version < Gem::Version.new('2.5.0')
                    '~> 1.13.10'
                  end)
 gem 'i18n', '~> 1.8.2'
-gem "rbpdf", "~> 1.20.0"
+gem 'rbpdf', '~> 1.21.0'
 gem 'addressable'
 gem 'rubyzip', '~> 2.3.0'
 gem 'psych', '~> 3.1' if Gem.ruby_version < Gem::Version.new('2.6.0')