diff --git a/Gemfile b/Gemfile
index 02063034..28fd75b5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -65,6 +65,6 @@ end
 
 # Load plugins' Gemfiles
 Dir.glob File.expand_path("../vendor/plugins/*/Gemfile", __FILE__) do |file|
-  puts "Loading #{file} ..."
+  puts "Loading #{file} ..." if $DEBUG # `ruby -d` or `bundle -v`
   instance_eval File.read(file)
 end