1 files changed, 3 insertions, 0 deletions
diff --git a/Gemfile b/Gemfile
index 633444212b..5ece0b8d29 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,6 +21,9 @@ end
 # it being automatically loaded by sprockets
 gem 'uglifier', '>= 1.0.3', :require => false
 
+# execjs >= 2.1.0 doesn't work with Ruby 1.8
+gem 'execjs', '< 2.1.0'
+
 gem 'rake', '>= 0.8.7'
 gem 'mocha', '~> 0.14', :require => false