1 files changed, 1 insertions, 1 deletions
diff --git a/Gemfile b/Gemfile
index 4f505f6f38..24c4b19283 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,7 @@ group(:development, :test) do
   gem "simplecov"
   gem 'rack', "~> 1.5.1"
 
-  gem 'ruby-shadow', :platforms => :ruby unless RUBY_PLATFORM.downcase.match(/(darwin|freebsd)/)
+  gem 'ruby-shadow', :platforms => :ruby unless RUBY_PLATFORM.downcase.match(/(darwin|freebsd|aix)/)
 #  gem 'awesome_print'
 #  gem 'pry'
 end