diff --git a/Gemfile.lock b/Gemfile.lock
index df8237d..d0e445f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -103,7 +103,7 @@ GEM
       i18n (>= 0.7)
     faraday (0.15.1)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.23)
+    ffi (1.11.1)
     font-awesome-rails (4.7.0.4)
       railties (>= 3.2, < 6.0)
     globalid (0.4.1)