diff --git a/Gemfile b/Gemfile
index f052e6d..6fe9b6e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,4 @@
 source 'https://rubygems.org'
-ruby '~> 2.7'
 gem 'github-pages', group: :jekyll_plugins
+gem "webrick", "~> 1.8"
+gem "faraday-retry", "~> 2.2"
diff --git a/Gemfile.lock b/Gemfile.lock
index 1c6d151..63abbec 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -23,7 +23,7 @@ GEM
     commonmarker (0.23.10)
     concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
-    dnsruby (1.72.0)
+    dnsruby (1.72.1)
       simpleidn (~> 0.2.1)
     drb (2.2.1)
     em-websocket (0.5.3)
@@ -33,11 +33,12 @@ GEM
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
     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)
+    faraday (2.9.0)
+      faraday-net_http (>= 2.0, < 3.2)
+    faraday-net_http (3.1.0)
+      net-http
+    faraday-retry (2.2.1)
+      faraday (~> 2.0)
     ffi (1.16.3)
     forwardable-extended (2.6.0)
     gemoji (4.1.0)
@@ -215,15 +216,25 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.8.6)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.22.3)
     mutex_m (0.2.0)
-    nokogiri (1.15.6)
-      mini_portile2 (~> 2.8.2)
+    net-http (0.4.1)
+      uri
+    nokogiri (1.16.4-aarch64-linux)
+      racc (~> 1.4)
+    nokogiri (1.16.4-arm-linux)
+      racc (~> 1.4)
+    nokogiri (1.16.4-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.16.4-x86-linux)
+      racc (~> 1.4)
+    nokogiri (1.16.4-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.16.4-x86_64-linux)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
@@ -237,7 +248,6 @@ GEM
       ffi (~> 1.0)
     rexml (3.2.6)
     rouge (3.30.0)
-    ruby2_keywords (0.0.5)
     rubyzip (2.3.2)
     safe_yaml (1.0.5)
     sass (3.7.4)
@@ -260,15 +270,21 @@ GEM
       unf_ext
     unf_ext (0.0.9.1)
     unicode-display_width (1.8.0)
+    uri (0.13.0)
+    webrick (1.8.1)
 
 PLATFORMS
-  ruby
+  aarch64-linux
+  arm-linux
+  arm64-darwin
+  x86-linux
+  x86_64-darwin
+  x86_64-linux
 
 DEPENDENCIES
+  faraday-retry (~> 2.2)
   github-pages
-
-RUBY VERSION
-   ruby 2.7.8p225
+  webrick (~> 1.8)
 
 BUNDLED WITH
-   2.1.4
+   2.5.7