diff --git a/Gemfile.lock b/Gemfile.lock
index 6b7c105..80e88aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     execjs (2.6.0)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.10)
+    ffi (1.12.2)
     gemoji (2.1.0)
     github-pages (78)
       github-pages-health-check (= 1.1.0)