1 files changed, 1 insertions, 0 deletions
diff --git a/Gemfile b/Gemfile
index 9d267a7..d227e1f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,6 +6,7 @@ gem "sinatra-config-file"
 gem "asciidoctor"
 gem "mail"
 gem "prawn"
+gem "thin"
 
 group :development, :test do
   gem 'byebug'