diff --git a/Gemfile b/Gemfile
index d9ece99..d0b16bd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,6 +10,7 @@ group :development do
   gem("minitest", ["~> 5.14"])
   gem("rake", ["~> 13.0"])
   gem("rdoc", [">= 4.0", "< 7"])
+  gem("jar-dependencies", "0.4.1") if RUBY_PLATFORM == "java" # https://github.com/jruby/jruby/issues/7262
 
   if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.0.0")
     gem("rubocop", "1.65.0")