diff --git a/test/environments/rails71/Gemfile b/test/environments/rails71/Gemfile
index 20909a991d..4aefaccd97 100644
--- a/test/environments/rails71/Gemfile
+++ b/test/environments/rails71/Gemfile
@@ -27,3 +27,5 @@ if RUBY_VERSION.split('.')[0..1].join('.').to_f >= 3.4
   gem 'mutex_m'
   gem 'ostruct'
 end
+
+gem 'jar-dependencies', '0.5.1' if RUBY_PLATFORM == 'java'
diff --git a/test/environments/rails72/Gemfile b/test/environments/rails72/Gemfile
index 67410972b8..964ba9f9d3 100644
--- a/test/environments/rails72/Gemfile
+++ b/test/environments/rails72/Gemfile
@@ -27,3 +27,5 @@ if RUBY_VERSION.split('.')[0..1].join('.').to_f >= 3.4
   gem 'mutex_m'
   gem 'ostruct'
 end
+
+gem 'jar-dependencies', '0.5.1' if RUBY_PLATFORM == 'java'