diff --git a/Gemfile.lock b/Gemfile.lock
index 9429d58..c40dc25 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: http://rubygems.org/
   specs:
     colorator (0.1)
-    ffi (1.9.10)
+    ffi (1.11.3)
     jekyll (3.1.1)
       colorator (~> 0.1)
       jekyll-sass-converter (~> 1.0)