diff --git a/Gemfile.lock b/Gemfile.lock
index 1f501462b..16b3083b0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,7 @@ GEM
     execjs (2.7.0)
     faraday (1.0.1)
       multipart-post (>= 1.2, < 3)
-    ffi (1.13.0)
+    ffi (1.13.1)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
     github-pages (206)