diff --git a/Gemfile.lock b/Gemfile.lock
index d5f6544..9216b12 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
     crass (1.0.3)
     erubis (2.7.0)
     execjs (2.7.0)
-    ffi (1.9.23)
+    ffi (1.11.1)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
     i18n (1.0.0)