diff --git a/Gemfile.lock b/Gemfile.lock
index f55a3d6..8f7dbdc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,8 @@ GEM
     execjs (2.7.0)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.14-x64-mingw32)
+    ffi (1.12.1)
+    ffi (1.12.1-x64-mingw32)
     gemoji (2.1.0)
     github-pages (89)
       activesupport (= 4.2.7)
@@ -97,6 +98,9 @@ GEM
     minitest (5.9.0)
     multipart-post (2.0.0)
     net-dns (0.8.0)
+    nokogiri (1.6.8)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
     nokogiri (1.6.8-x64-mingw32)
       mini_portile2 (~> 2.1.0)
       pkg-config (~> 1.1.7)
@@ -121,6 +125,7 @@ GEM
       thread_safe (~> 0.1)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES