diff --git a/Gemfile.lock b/Gemfile.lock
index 287fbbf..3b02bcf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,7 +64,7 @@ GEM
       railties (>= 3.0.0)
     faker (1.0.1)
       i18n (~> 0.4)
-    ffi (1.1.5)
+    ffi (1.11.1)
     guard (1.3.0)
       listen (>= 0.4.2)
       thor (>= 0.14.6)