diff --git a/Gemfile.lock b/Gemfile.lock
index 896c8a7..32daaf2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,6 +20,7 @@ GEM
     faraday (0.13.1)
       multipart-post (>= 1.2, < 3)
     ffi (1.9.18)
+    ffi (1.9.18-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
     github-pages (163)
@@ -181,7 +182,9 @@ GEM
     minitest (5.11.1)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.8.1)
+    nokogiri (1.8.2)
+      mini_portile2 (~> 2.3.0)
+    nokogiri (1.8.2-x64-mingw32)
       mini_portile2 (~> 2.3.0)
     octokit (4.8.0)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -212,6 +215,7 @@ GEM
 
 PLATFORMS
   ruby
+  x64-mingw32
 
 DEPENDENCIES
   github-pages (= 163)