diff --git a/Gemfile.lock b/Gemfile.lock
index 5c7835f..f711f82 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
       safe_yaml (~> 1.0.0)
     diff-lcs (1.2.5)
     docile (1.1.5)
-    ffi (1.9.8)
+    ffi (1.11.1)
     formatador (0.2.5)
     guard (2.12.6)
       formatador (>= 0.2.4)