diff --git a/Gemfile.lock b/Gemfile.lock
index 68f6dd1..d7b2799 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    ffi (1.9.18)
+    ffi (1.11.3)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)