diff --git a/_site/Gemfile.lock b/_site/Gemfile.lock
index b328708..0c5d760 100644
--- a/_site/Gemfile.lock
+++ b/_site/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
     colorator (1.1.0)
     faraday (0.12.0.1)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.18)
+    ffi (1.11.1)
     forwardable-extended (2.6.0)
     jekyll (3.4.3)
       addressable (~> 2.4)