diff --git a/Gemfile.lock b/Gemfile.lock
index c838a90..1cdf77e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,7 +13,7 @@ GEM
     colorator (0.1)
     execjs (2.5.2)
     fast-stemmer (1.0.2)
-    ffi (1.9.8)
+    ffi (1.11.1)
     go_script (0.1.4)
       bundler (~> 1.10)
       safe_yaml (~> 1.0)