diff --git a/Gemfile.lock b/Gemfile.lock
index d777147d..336fc449 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,7 +74,7 @@ GEM
     dm-validations (1.2.0)
       dm-core (~> 1.2.0)
     fastercsv (1.5.4)
-    ffi (1.0.11)
+    ffi (1.13.1)
     growl (1.0.3)
     guard (1.0.0)
       ffi (>= 0.5.0)