1 files changed, 1 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 98d7837..e405da2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,3 +8,4 @@ gemspec :name => 'json-java'
 
 gem 'utils'
 gem 'test-unit'
+gem 'debugger', :platform => :mri_19