diff --git a/Gemfile.lock b/Gemfile.lock
index 2899fa5..712eabb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
       warden (~> 1.2.3)
     erubi (1.7.1)
     execjs (2.7.0)
-    ffi (1.9.23)
+    ffi (1.11.3)
     formtastic (3.1.5)
       actionpack (>= 3.2.13)
     formtastic_i18n (0.6.0)