diff --git a/Gemfile.lock b/Gemfile.lock
index 1e92e7d..50379f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,8 +8,8 @@ GEM
     colorator (1.1.0)
     faraday (0.10.0)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.14)
-    ffi (1.9.14-x64-mingw32)
+    ffi (1.12.2)
+    ffi (1.12.2-x64-mingw32)
     forwardable-extended (2.6.0)
     jekyll (3.3.1)
       addressable (~> 2.4)