1 files changed, 2 insertions, 0 deletions
diff --git a/Gemfile b/Gemfile
index 3be9c3c..6d4b561 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,2 +1,4 @@
 source "https://rubygems.org"
 gemspec
+# XXX needed to build tests in rubinius
+gem 'rubysl-test-unit', platform:'rbx', group:'development'