diff --git a/Gemfile.lock b/Gemfile.lock
index 4f56195..8af7e98 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
       multipart-post (>= 1.2, < 3)
     faraday_middleware (0.11.0.1)
       faraday (>= 0.7.4, < 1.0)
-    ffi (1.9.18)
+    ffi (1.11.1)
     haml (4.0.7)
       tilt
     httparty (0.14.0)