Fix build and update configuration

1 files changed, 1 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 46a8096..5190e36 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,6 +3,7 @@ source "https://rubygems.org"
 gem "jekyll"
 gem "webrick"
 gem "json"
+gem "erb"
 
 # https://github.com/rubyjs/mini_racer
 gem "mini_racer"