diff --git a/Gemfile.lock b/Gemfile.lock
index dc33a23..0ecbef8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -63,7 +63,7 @@ GEM
     execjs (2.7.0)
     faker (1.8.7)
       i18n (>= 0.7)
-    ffi (1.9.21)
+    ffi (1.11.1)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
     i18n (0.9.5)