diff --git a/Gemfile.lock b/Gemfile.lock
index 21d6dd9..4cbf21a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -91,7 +91,7 @@ GEM
       factory_girl (~> 4.5.0)
       railties (>= 3.0.0)
     ffaker (2.2.0)
-    ffi (1.9.18)
+    ffi (1.12.2)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
     hike (1.2.3)