diff --git a/.ruby-version b/.ruby-version
index a4dd9dba4..2451c27ca 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7.4
+3.0.7
diff --git a/Gemfile b/Gemfile
index dc10ed774..971b00b73 100644
--- a/Gemfile
+++ b/Gemfile
@@ -172,7 +172,7 @@ gem 'intl-tel-input-rails', git: 'https://github.com/openstax/intl-tel-input-rai
 gem 'http_accept_language'
 
 # Fast JSON parsing
-gem 'oj', '~> 3.7.12'
+gem 'oj'
 
 # Replace JSON with Oj
 gem 'oj_mimic_json'
@@ -197,9 +197,9 @@ group :development, :test do
   #
   # Call 'debugger' anywhere in the code to stop execution and get a debugger console
   gem 'byebug', require: false
-  # Debug in VS Code
-  gem 'ruby-debug-ide', require: false
-  gem 'debase', require: false
+  # Debug in VS Code - these do not install properly on the latest OS X
+  # gem 'ruby-debug-ide', require: false
+  # gem 'debase', require: false
 
   # Use RSpec for tests
   gem 'rspec-rails'
diff --git a/Gemfile.lock b/Gemfile.lock
index 50cce7470..af3b1458e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -127,6 +127,7 @@ GEM
       aws-eventstream (~> 1, >= 1.0.2)
     base64 (0.2.0)
     bcrypt (3.1.18)
+    bigdecimal (3.1.8)
     bindata (2.5.0)
     bindex (0.8.1)
     blazer (2.6.4)
@@ -195,9 +196,6 @@ GEM
     database_cleaner (1.8.5)
     date (3.3.4)
     db-query-matchers (0.6.0)
-    debase (0.2.4.1)
-      debase-ruby_core_source (>= 0.10.2)
-    debase-ruby_core_source (0.10.11)
     declarative (0.0.20)
     declarative-option (0.1.0)
     delayed_job (4.1.10)
@@ -297,6 +295,8 @@ GEM
     faraday_middleware (1.2.0)
       faraday (~> 1.0)
     ffi (1.17.0)
+    ffi (1.17.0-x86_64-darwin)
+    ffi (1.17.0-x86_64-linux-gnu)
     fine_print (6.0.1)
       action_interceptor
       jquery-rails
@@ -330,24 +330,26 @@ GEM
       rspec (>= 2.99.0, < 4.0)
     hashdiff (1.0.1)
     hashie (5.0.0)
-    highline (2.0.2)
+    highline (3.1.1)
+      reline
     htmlentities (4.3.4)
     http_accept_language (2.1.1)
     http_parser.rb (0.6.0)
     httpclient (2.8.3)
     i18n (1.7.1)
       concurrent-ruby (~> 1.0)
-    i18n-tasks (0.9.29)
+    i18n-tasks (1.0.14)
       activesupport (>= 4.0.2)
       ast (>= 2.1.0)
       erubi
       highline (>= 2.0.0)
       i18n
-      parser (>= 2.2.3.0)
+      parser (>= 3.2.2.1)
       rails-i18n
       rainbow (>= 2.2.2, < 4.0)
       terminal-table (>= 1.5.1)
-    jaro_winkler (1.5.3)
+    io-console (0.7.2)
+    jaro_winkler (1.5.6)
     jbuilder (2.9.1)
       activesupport (>= 4.2.0)
     jmespath (1.6.2)
@@ -379,9 +381,9 @@ GEM
       hashie
       transaction_isolation
       transaction_retry
-    libv8-node (16.19.0.1)
-    libv8-node (16.19.0.1-x86_64-darwin)
-    libv8-node (16.19.0.1-x86_64-linux)
+    libv8-node (21.7.2.0)
+    libv8-node (21.7.2.0-x86_64-darwin)
+    libv8-node (21.7.2.0-x86_64-linux)
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
@@ -407,8 +409,8 @@ GEM
     method_source (0.8.2)
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
-    mini_racer (0.6.4)
-      libv8-node (~> 16.19.0.0)
+    mini_racer (0.12.0)
+      libv8-node (~> 21.7.2.0)
     minitest (5.25.1)
     msgpack (1.5.2)
     multi_json (1.15.0)
@@ -425,12 +427,12 @@ GEM
     net-smtp (0.5.0)
       net-protocol
     nio4r (2.7.3)
-    nokogiri (1.15.6)
+    nokogiri (1.16.7)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.15.6-x86_64-darwin)
+    nokogiri (1.16.7-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.15.6-x86_64-linux)
+    nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     notiffany (0.1.0)
       nenv (~> 0.1)
@@ -442,7 +444,9 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    oj (3.7.12)
+    oj (3.16.6)
+      bigdecimal (>= 3.0)
+      ostruct (>= 0.2)
     oj_mimic_json (1.0.1)
     omniauth (1.9.2)
       hashie (>= 3.4.6)
@@ -496,14 +500,16 @@ GEM
       lev
       rails (>= 5.0, < 8.0)
       request_store
+    ostruct (0.6.0)
     p3p (1.2.0)
       rack
     parallel (1.19.2)
     parallel_tests (3.1.0)
       parallel
-    parser (3.0.2.0)
+    parser (3.3.5.0)
       ast (~> 2.4.1)
-    pg (0.19.0)
+      racc
+    pg (1.5.8)
     premailer (1.8.7)
       css_parser (>= 1.4.5)
       htmlentities (>= 4.0.0)
@@ -573,7 +579,7 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
-    rainbow (3.0.0)
+    rainbow (3.1.1)
     rake (13.2.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
@@ -598,6 +604,8 @@ GEM
     redis-store (1.4.1)
       redis (>= 2.2, < 5)
     regexp_parser (2.1.0)
+    reline (0.5.10)
+      io-console (~> 0.5)
     render_anywhere (0.0.12)
       rails (>= 3.0.7)
     representable (3.0.4)
@@ -659,8 +667,6 @@ GEM
       unicode-display_width (>= 1.4.0, < 1.7)
     rubocop-rspec (1.36.0)
       rubocop (>= 0.68.1)
-    ruby-debug-ide (0.7.2)
-      rake (>= 0.8.1)
     ruby-graphviz (1.2.3)
     ruby-progressbar (1.10.1)
     ruby2_keywords (0.0.5)
@@ -715,8 +721,8 @@ GEM
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
     strscan (3.1.0)
-    terminal-table (1.8.0)
-      unicode-display_width (~> 1.1, >= 1.1.1)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
     test_xml (0.1.8)
       diffy (~> 3.0)
       nokogiri (>= 1.3.2)
@@ -735,7 +741,7 @@ GEM
     uber (0.1.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
-    unicode-display_width (1.6.0)
+    unicode-display_width (1.6.1)
     vcr (3.0.3)
     web-console (3.7.0)
       actionview (>= 5.0)
@@ -791,7 +797,6 @@ DEPENDENCIES
   compass-rails (~> 3.1.0)
   database_cleaner
   db-query-matchers
-  debase
   delayed_job_active_record
   delayed_job_heartbeat_plugin
   delayed_job_worker_pool
@@ -824,7 +829,7 @@ DEPENDENCIES
   maruku
   meta_request
   mini_racer
-  oj (~> 3.7.12)
+  oj
   oj_mimic_json
   omniauth (~> 1.9)
   omniauth-facebook
@@ -858,7 +863,6 @@ DEPENDENCIES
   rspec-rails
   rubocop (~> 0.76.0)
   rubocop-rspec
-  ruby-debug-ide
   sass-rails (~> 5.0)
   sd_notify
   selenium-webdriver