diff --git a/Gemfile.lock b/Gemfile.lock
index 81c8444..63c19d6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
     debug_inspector (0.0.3)
     diff-lcs (1.3)
     docile (1.1.5)
-    ffi (1.9.18)
+    ffi (1.11.1)
     gherkin (4.1.3)
     json (2.1.0)
     method_source (0.8.2)