1 files changed, 1 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 3de276e..812f791 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,7 @@
 source "https://rubygems.org"
 
 gem "sinatra"
+gem "sinatra-url-for"
 gem "mail"
 gem "prawn"