diff --git a/Gemfile b/Gemfile
index c7c08e80..4bedeabd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,3 +19,5 @@ gem 'jekyll-seo-tag'
 gem 'jekyll-minifier'
 
 gem "jekyll-sass-converter", "~> 2.0"
+
+gem “ffi”, “= 1.16.3”