diff --git a/Gemfile.lock b/Gemfile.lock
index b8a1855..c598842 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     colorator (0.1)
-    ffi (1.9.10)
+    ffi (1.15.5)
     go_script (0.1.5)
       bundler (~> 1.10)
       safe_yaml (~> 1.0)