diff --git a/Gemfile.lock b/Gemfile.lock
index 89a1cd4..1a08a69 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     coderay (1.1.1)
-    ffi (1.9.18)
+    ffi (1.11.1)
     formatador (0.2.5)
     guard (2.14.1)
       formatador (>= 0.2.4)