diff --git a/Gemfile.lock b/Gemfile.lock
index 7eb9c30..158f4f1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,7 @@ GEM
     colorator (0.1)
     execjs (2.6.0)
     fast-stemmer (1.0.2)
-    ffi (1.9.10)
+    ffi (1.12.2)
     jekyll (2.5.3)
       classifier-reborn (~> 2.0)
       colorator (~> 0.1)