diff --git a/Gemfile.lock b/Gemfile.lock
index b8b7ec1..531f829 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,20 +2,22 @@ GEM
   remote: http://rubygems.org/
   specs:
     RedCloth (4.2.9)
-    activesupport (4.1.1)
-      i18n (~> 0.6, >= 0.6.9)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.1)
-      tzinfo (~> 1.1)
+    activesupport (7.0.3)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
     blankslate (2.1.2.4)
-    classifier (1.3.4)
-      fast-stemmer (>= 1.0.0)
+    classifier (1.3.5)
+      fast-stemmer (~> 1.0.0)
+      mathn
+      rake
     colorator (0.1)
     commander (4.1.6)
       highline (~> 1.6.11)
+    concurrent-ruby (1.1.10)
     fast-stemmer (1.0.2)
-    ffi (1.9.3)
+    ffi (1.15.5)
     gemoji (1.5.0)
     github-pages (19)
       RedCloth (= 4.2.9)
@@ -33,7 +35,8 @@ GEM
     html-pipeline (1.5.0)
       activesupport (>= 2)
       nokogiri (~> 1.4)
-    i18n (0.6.9)
+    i18n (1.10.0)
+      concurrent-ruby (~> 1.0)
     jekyll (1.5.1)
       classifier (~> 1.3)
       colorator (~> 0.1)
@@ -56,7 +59,6 @@ GEM
       gemoji (~> 1.5.0)
       html-pipeline (~> 1.5.0)
       jekyll (~> 1.4)
-    json (1.8.1)
     kramdown (1.3.1)
     liquid (2.5.5)
     listen (1.3.1)
@@ -64,29 +66,32 @@ GEM
       rb-inotify (>= 0.9)
       rb-kqueue (>= 0.2)
     maruku (0.7.0)
-    mini_portile (0.6.0)
-    minitest (5.3.4)
-    nokogiri (1.6.2.1)
-      mini_portile (= 0.6.0)
+    mathn (0.1.0)
+    mini_portile2 (2.8.0)
+    minitest (5.16.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     parslet (1.5.0)
       blankslate (~> 2.0)
-    posix-spawn (0.3.8)
+    posix-spawn (0.3.15)
     pygments.rb (0.5.4)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.1.0)
-    rb-fsevent (0.9.4)
-    rb-inotify (0.9.5)
-      ffi (>= 0.5.0)
-    rb-kqueue (0.2.3)
+    racc (1.6.0)
+    rake (13.0.6)
+    rb-fsevent (0.11.1)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    rb-kqueue (0.2.8)
       ffi (>= 0.5.0)
     rdiscount (2.1.7)
     redcarpet (2.3.0)
-    safe_yaml (1.0.3)
-    thread_safe (0.3.4)
-    toml (0.1.1)
+    safe_yaml (1.0.5)
+    toml (0.1.2)
       parslet (~> 1.5.0)
-    tzinfo (1.2.1)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.4)
+      concurrent-ruby (~> 1.0)
     yajl-ruby (1.1.0)
 
 PLATFORMS