diff --git a/gemfiles/mongoid_7.gemfile b/gemfiles/mongoid_7.gemfile
index 37e1c3a264..e90a522126 100644
--- a/gemfiles/mongoid_7.gemfile
+++ b/gemfiles/mongoid_7.gemfile
@@ -12,5 +12,6 @@ if RUBY_VERSION >= "3.0"
   gem "evt"
 end
 gem "fiber-storage"
+gem "concurrent-ruby", "1.3.4"
 
 gemspec path: "../"
diff --git a/gemfiles/rails_7.0.gemfile b/gemfiles/rails_7.0.gemfile
index c43a185427..53680547d1 100644
--- a/gemfiles/rails_7.0.gemfile
+++ b/gemfiles/rails_7.0.gemfile
@@ -11,5 +11,6 @@ gem "sqlite3", "~> 1.4", platform: :ruby
 gem "sequel"
 gem "evt"
 gem "async"
+gem "concurrent-ruby", "1.3.4"
 
 gemspec path: "../"