diff --git a/Gemfile b/Gemfile
index 310782bb..60e57261 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,2 +1,2 @@
 source "https://rubygems.org"
-gem "github-pages", "~> 212", group: :jekyll_plugins
+gem "github-pages", "~> 213", group: :jekyll_plugins
diff --git a/Gemfile.lock b/Gemfile.lock
index d9b897ad..dcaa975b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,9 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    base64 (0.2.0)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
@@ -16,25 +17,25 @@ GEM
     colorator (1.1.0)
     commonmarker (0.17.13)
       ruby-enum (~> 0.5)
-    concurrent-ruby (1.2.0)
-    dnsruby (1.61.5)
-      simpleidn (~> 0.1)
-    em-websocket (0.5.2)
+    concurrent-ruby (1.3.4)
+    dnsruby (1.72.2)
+      simpleidn (~> 0.2.1)
+    em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0.6.0)
-    ethon (0.12.0)
-      ffi (>= 1.3.0)
+      http_parser.rb (~> 0)
+    ethon (0.16.0)
+      ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    execjs (2.7.0)
-    faraday (1.3.0)
-      faraday-net_http (~> 1.0)
-      multipart-post (>= 1.2, < 3)
-      ruby2_keywords
-    faraday-net_http (1.0.1)
-    ffi (1.14.2)
+    execjs (2.9.1)
+    faraday (2.8.1)
+      base64
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (3.0.2)
+    ffi (1.16.3)
     forwardable-extended (2.6.0)
     gemoji (3.0.1)
-    github-pages (212)
+    github-pages (213)
       github-pages-health-check (= 1.17.0)
       jekyll (= 3.9.0)
       jekyll-avatar (= 0.7.0)
@@ -50,7 +51,7 @@ GEM
       jekyll-readme-index (= 0.3.0)
       jekyll-redirect-from (= 0.16.0)
       jekyll-relative-links (= 0.6.1)
-      jekyll-remote-theme (= 0.4.2)
+      jekyll-remote-theme (= 0.4.3)
       jekyll-sass-converter (= 1.5.2)
       jekyll-seo-tag (= 2.7.1)
       jekyll-sitemap (= 1.4.0)
@@ -84,10 +85,10 @@ GEM
       octokit (~> 4.0)
       public_suffix (>= 2.0.2, < 5.0)
       typhoeus (~> 1.3)
-    html-pipeline (2.14.0)
+    html-pipeline (2.14.3)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    http_parser.rb (0.6.0)
+    http_parser.rb (0.8.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jekyll (3.9.0)
@@ -136,7 +137,7 @@ GEM
       jekyll (>= 3.3, < 5.0)
     jekyll-relative-links (0.6.1)
       jekyll (>= 3.3, < 5.0)
-    jekyll-remote-theme (0.4.2)
+    jekyll-remote-theme (0.4.3)
       addressable (~> 2.0)
       jekyll (>= 3.5, < 5.0)
       jekyll-sass-converter (>= 1.0, <= 3.0.0, != 2.0.0)
@@ -201,63 +202,65 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.4.1)
+    listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
+    mini_portile2 (2.8.7)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.17.0)
-    multipart-post (2.1.1)
-    nokogiri (1.16.2-x86_64-linux)
+    minitest (5.25.1)
+    nokogiri (1.15.6)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
+    nokogiri (1.15.6-x86_64-linux)
       racc (~> 1.4)
-    octokit (4.20.0)
-      faraday (>= 0.9)
-      sawyer (~> 0.8.0, >= 0.5.3)
+    octokit (4.25.1)
+      faraday (>= 1, < 3)
+      sawyer (~> 0.9)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
-    racc (1.7.3)
-    rb-fsevent (0.10.4)
-    rb-inotify (0.10.1)
+    public_suffix (4.0.7)
+    racc (1.8.1)
+    rb-fsevent (0.11.2)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
+    rexml (3.3.6)
+      strscan
     rouge (3.26.0)
     ruby-enum (0.9.0)
       i18n
-    ruby2_keywords (0.0.4)
-    rubyzip (2.3.0)
+    ruby2_keywords (0.0.5)
+    rubyzip (2.3.2)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sawyer (0.8.2)
+    sawyer (0.9.2)
       addressable (>= 2.3.5)
-      faraday (> 0.8, < 2.0)
-    simpleidn (0.2.1)
-      unf (~> 0.1.4)
+      faraday (>= 0.17.3, < 3)
+    simpleidn (0.2.3)
+    strscan (3.1.0)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
-    typhoeus (1.4.0)
+    typhoeus (1.4.1)
       ethon (>= 0.9.0)
     tzinfo (1.2.11)
       thread_safe (~> 0.1)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.7.7)
-    unicode-display_width (1.7.0)
-    zeitwerk (2.6.6)
+    unicode-display_width (1.8.0)
+    zeitwerk (2.6.17)
 
 PLATFORMS
+  ruby
   x86_64-linux
 
 DEPENDENCIES
-  github-pages (~> 212)
+  github-pages (~> 213)
 
 BUNDLED WITH
-   2.2.11
+   2.1.4