diff --git a/Gemfile.lock b/Gemfile.lock
index a718333..117e55b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,7 @@ GEM
       ffi (~> 1.0, >= 1.0.6)
     coderay (1.0.8)
     erubis (2.7.0)
-    ffi (1.3.1)
+    ffi (1.11.1)
     foodcritic (1.7.0)
       erubis
       gherkin (~> 2.11.1)