diff --git a/Gemfile.lock b/Gemfile.lock
index 5a4d6c5..101018e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,12 +2,12 @@ GEM
   remote: https://rubygems.org/
   specs:
     RedCloth (4.2.9)
-    activesupport (4.2.5.1)
-      i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
+    activesupport (6.1.7.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     addressable (2.3.8)
     coderay (1.1.1)
     coffee-script (2.4.1)
@@ -15,12 +15,13 @@ GEM
       execjs
     coffee-script-source (1.10.0)
     colorator (0.1)
+    concurrent-ruby (1.1.10)
     ethon (0.8.1)
       ffi (>= 1.3.0)
     execjs (2.6.0)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
-    ffi (1.9.10)
+    ffi (1.15.5)
     gemoji (2.1.0)
     github-pages (52)
       RedCloth (= 4.2.9)
@@ -50,13 +51,14 @@ GEM
       octokit (~> 4.0)
       public_suffix (~> 1.4)
       typhoeus (~> 0.7)
-    html-pipeline (2.3.0)
-      activesupport (>= 2, < 5)
+    html-pipeline (2.14.3)
+      activesupport (>= 2)
       nokogiri (>= 1.4)
     httparty (0.13.7)
       json (~> 1.8)
       multi_xml (>= 0.5.2)
-    i18n (0.7.0)
+    i18n (1.12.0)
+      concurrent-ruby (~> 1.0)
     jekyll (3.0.3)
       colorator (~> 0.1)
       jekyll-sass-converter (~> 1.0)
@@ -84,49 +86,55 @@ GEM
     jekyll-sitemap (0.10.0)
     jekyll-textile-converter (0.1.0)
       RedCloth (~> 4.0)
-    jekyll-watch (1.3.1)
+    jekyll-watch (1.5.1)
       listen (~> 3.0)
     jemoji (0.5.1)
       gemoji (~> 2.0)
       html-pipeline (~> 2.2)
       jekyll (>= 2.0)
-    json (1.8.3)
+    json (1.8.6)
     kramdown (1.9.0)
     liquid (3.0.6)
-    listen (3.0.6)
-      rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9.7)
-    mercenary (0.3.5)
-    mini_portile2 (2.0.0)
-    minitest (5.8.4)
+    listen (3.8.0)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    mercenary (0.3.6)
+    mini_portile2 (2.8.1)
+    minitest (5.17.0)
     multi_xml (0.5.5)
     multipart-post (2.0.0)
     net-dns (0.8.0)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.14.0)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     octokit (4.2.0)
       sawyer (~> 0.6.0, >= 0.5.3)
     public_suffix (1.5.3)
+    racc (1.6.2)
     rake (10.5.0)
-    rb-fsevent (0.9.7)
-    rb-inotify (0.9.7)
-      ffi (>= 0.5.0)
+    rb-fsevent (0.11.2)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
     rdiscount (2.1.8)
     redcarpet (3.3.3)
     rouge (1.10.1)
-    safe_yaml (1.0.4)
-    sass (3.4.21)
+    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 (0.6.0)
       addressable (~> 2.3.5)
       faraday (~> 0.8, < 0.10)
     stringex (2.6.0)
     terminal-table (1.5.2)
     thor (0.19.1)
-    thread_safe (0.3.5)
     typhoeus (0.8.0)
       ethon (>= 0.8.0)
-    tzinfo (1.2.2)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.5)
+      concurrent-ruby (~> 1.0)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby