diff --git a/Gemfile.lock b/Gemfile.lock
index dc51af9..5d9d19b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,7 +29,7 @@ GEM
     concurrent-ruby (1.0.5)
     extended-markdown-filter (0.6.0)
       html-pipeline (~> 2.0)
-    ffi (1.9.23)
+    ffi (1.11.3)
     gemoji (3.0.0)
     graphql (1.7.14)
     graphql-docs (1.4.0)