diff --git a/Gemfile b/Gemfile
index 5325880c..8329829b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -28,7 +28,9 @@ group :assets do
 
   # See https://github.com/sstephenson/execjs#readme for more supported runtimes
   gem 'therubyracer', :platform => :ruby
-  gem "libv8"
+
+  # Uncomment if you cannot use a native libv8 library
+  # gem "libv8"
 
   gem 'uglifier'
 end