diff --git a/Gemfile.lock b/Gemfile.lock
index 023bfbe..f9d8620 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,7 +32,7 @@ GEM
     erubis (2.7.0)
     eventmachine (1.0.4)
     execjs (2.2.2)
-    ffi (1.9.6)
+    ffi (1.11.1)
     haml (4.0.6)
       tilt
     hike (1.2.3)