diff --git a/Gemfile b/Gemfile
index 46a0cf8..48d1ac2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem "activesupport", "4.2.7.1"
+gem "activesupport", "6.1.7.3"
 gem "jekyll"
 gem "html-proofer"
 gem "webrick", "~> 1.7"
diff --git a/Gemfile.lock b/Gemfile.lock
index 5685a59..5c5f6db 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,12 +1,12 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.7.1)
-      i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
+    activesupport (6.1.7.3)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     addressable (2.8.1)
       public_suffix (>= 2.0.2, < 6.0)
     async (2.2.1)
@@ -14,7 +14,7 @@ GEM
       io-event (~> 1.1.0)
       timers (~> 4.1)
     colorator (1.1.0)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.2.2)
     console (1.16.2)
       fiber-local
     em-websocket (0.5.3)
@@ -35,7 +35,7 @@ GEM
       yell (~> 2.0)
       zeitwerk (~> 2.5)
     http_parser.rb (0.8.0)
-    i18n (0.9.5)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     io-event (1.1.2)
     jekyll (4.0.1)
@@ -57,7 +57,6 @@ GEM
       sassc (> 2.0.1, < 3.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (1.8.6)
     kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
@@ -67,7 +66,7 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    minitest (5.16.3)
+    minitest (5.18.0)
     nokogiri (1.13.10-arm64-darwin)
       racc (~> 1.4)
     nokogiri (1.13.10-x86_64-linux)
@@ -87,12 +86,11 @@ GEM
       ffi (~> 1.9)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
-    thread_safe (0.3.6)
     timers (4.3.5)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    tzinfo (1.2.10)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
     unicode-display_width (1.8.0)
     webrick (1.7.0)
     yell (2.2.2)
@@ -103,7 +101,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  activesupport (= 4.2.7.1)
+  activesupport (= 6.1.7.3)
   html-proofer
   jekyll
   webrick (~> 1.7)