1 files changed, 1 insertions, 0 deletions
diff --git a/Gemfile b/Gemfile
index a328e11..f3450cd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,6 +8,7 @@ gem 'byebug', group: %i[development test] if !Gem.win_platform? && RUBY_ENGINE =
 if ENV["CI"]
   gem 'codecov', require: false, group: :test
   gem 'simplecov', require: false, group: :test
+  gem 'x25519', github: 'RubyCrypto/x25519', ref: '60c0f2913460c7b13b516e4e887a5517a2bd9edd'
 end
 
 gem 'webrick', group: %i[development test] if RUBY_VERSION.split(".")[0].to_i >= 3