diff --git a/Gemfile.lock b/Gemfile.lock
index b78908c..0984af2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
     erubis (2.7.0)
     eventmachine (1.0.9.1)
     execjs (2.2.2)
-    ffi (1.9.6)
+    ffi (1.11.3)
     gh_contributors (0.8.0)
     haml (4.0.5)
       tilt