diff --git a/Gemfile.lock b/Gemfile.lock
index 2946fc4..7e8235c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -21,6 +21,7 @@ GEM
     execjs (2.7.0)
     faraday (0.14.0)
       multipart-post (>= 1.2, < 3)
+    ffi (1.9.23)
     ffi (1.9.23-x64-mingw32)
     forwardable-extended (2.6.0)
     gemoji (3.0.0)
@@ -191,19 +192,23 @@ GEM
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minima (2.1.1)
       jekyll (~> 3.3)
     minitest (5.11.3)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.8.2-x64-mingw32)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.4-x64-mingw32)
+      racc (~> 1.4)
     octokit (4.8.0)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.1)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
+    racc (1.6.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -228,15 +233,13 @@ GEM
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     unicode-display_width (1.3.0)
-    wdm (0.1.1)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES
   github-pages
-  nokogiri (~> 1.8.1)
-  wdm (~> 0.1.0)
 
 RUBY VERSION
    ruby 2.4.3p205