diff --git a/Gemfile.lock b/Gemfile.lock
index 5fdc557..40c3aa6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,7 +4,7 @@ GEM
     colorator (1.1.0)
     cssminify (1.0.2)
     execjs (2.7.0)
-    ffi (1.9.14)
+    ffi (1.11.2)
     forwardable-extended (2.6.0)
     htmlcompressor (0.3.1)
     jekyll (3.2.0)