diff --git a/Gemfile.lock b/Gemfile.lock
index 285aad6..b9b141f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
       uuidtools (~> 2.1)
     diff-lcs (1.3)
     erubis (2.7.0)
-    ffi (1.9.18)
+    ffi (1.11.1)
     ffi-yajl (2.3.1)
       libyajl2 (~> 1.2)
     fuzzyurl (0.9.0)