diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index bcd107b..2057425 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
     fast-stemmer (1.0.2)
-    ffi (1.9.14)
+    ffi (1.11.1)
     jekyll (2.5.3)
       classifier-reborn (~> 2.0)
       colorator (~> 0.1)