diff --git a/Gemfile.lock b/Gemfile.lock
index 9d374ba..06aa0e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,8 +29,8 @@ GEM
     eventmachine (1.2.6-x64-mingw32)
     faraday (0.15.0)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.23)
-    ffi (1.9.23-x64-mingw32)
+    ffi (1.13.1)
+    ffi (1.13.1-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
     html-pipeline (2.7.2)