diff --git a/Gemfile.lock b/Gemfile.lock
index 6ef75eb..3c99a62 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,7 +37,7 @@ GEM
       ffi (>= 1.3.0)
     execjs (2.6.0)
     fast-stemmer (1.0.2)
-    ffi (1.9.10)
+    ffi (1.12.1)
     gemoji (2.1.0)
     github-pages (39)
       RedCloth (= 4.2.9)