diff --git a/_site/Gemfile.lock b/_site/Gemfile.lock
index 757743e..eb3632e 100644
--- a/_site/Gemfile.lock
+++ b/_site/Gemfile.lock
@@ -45,8 +45,8 @@ GEM
     erubis (2.7.0)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.14)
-    ffi (1.9.14-x64-mingw32)
+    ffi (1.11.1)
+    ffi (1.11.1-x64-mingw32)
     forwardable-extended (2.6.0)
     geo_pattern (1.2.1)
       color (~> 1.5)