diff --git a/docs/Gemfile b/docs/Gemfile
index 50f89e1..2f2009e 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -22,7 +22,7 @@ group :jekyll_plugins do
   gem "jekyll-feed", "~> 0.6"
 end
 
-gem "activesupport", "~> 4.1.11"
+gem "activesupport", "~> 6.0.6"
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 97a9100..260614c 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -1,12 +1,12 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.1.16)
-      i18n (~> 0.6, >= 0.6.9)
-      json (~> 1.7, >= 1.7.7)
+    activesupport (6.0.6.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
-      thread_safe (~> 0.1)
       tzinfo (~> 1.1)
+      zeitwerk (~> 2.2, >= 2.2.2)
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     coffee-script (2.4.1)
@@ -16,7 +16,7 @@ GEM
     colorator (1.1.0)
     commonmarker (0.17.13)
       ruby-enum (~> 0.5)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.2.0)
     dnsruby (1.61.3)
       addressable (~> 2.5)
     em-websocket (0.5.1)
@@ -193,7 +193,6 @@ GEM
       gemoji (~> 3.0)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
-    json (1.8.6)
     kramdown (1.17.0)
     liquid (4.0.3)
     listen (3.2.1)
@@ -205,7 +204,7 @@ GEM
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    minitest (5.13.0)
+    minitest (5.17.0)
     multipart-post (2.1.1)
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
@@ -237,18 +236,19 @@ GEM
     thread_safe (0.3.6)
     typhoeus (1.3.1)
       ethon (>= 0.9.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     tzinfo-data (1.2019.3)
       tzinfo (>= 1.0.0)
     unicode-display_width (1.6.0)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby
   x64-mingw32
 
 DEPENDENCIES
-  activesupport (~> 4.1.11)
+  activesupport (~> 6.0.6)
   github-pages
   jekyll-feed (~> 0.6)
   tzinfo-data