diff --git a/Gemfile b/Gemfile
index bd878450..6cbee864 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ source 'https://rubygems.org'
 ruby '3.2.2'
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
-gem 'rails', '~> 7.1.2'
+gem 'rails', '~> 7.2.0'
 
 # Use postgresql as the database for Active Record
 gem 'pg', '~> 1.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4c01d937..a292109f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,80 +1,76 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
+    actioncable (7.2.1)
+      actionpack (= 7.2.1)
+      activesupport (= 7.2.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activestorage (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      mail (>= 2.7.1)
-      net-imap
-      net-pop
-      net-smtp
-    actionmailer (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      actionview (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      mail (~> 2.5, >= 2.5.4)
-      net-imap
-      net-pop
-      net-smtp
+    actionmailbox (7.2.1)
+      actionpack (= 7.2.1)
+      activejob (= 7.2.1)
+      activerecord (= 7.2.1)
+      activestorage (= 7.2.1)
+      activesupport (= 7.2.1)
+      mail (>= 2.8.0)
+    actionmailer (7.2.1)
+      actionpack (= 7.2.1)
+      actionview (= 7.2.1)
+      activejob (= 7.2.1)
+      activesupport (= 7.2.1)
+      mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (7.1.3.4)
-      actionview (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
+    actionpack (7.2.1)
+      actionview (= 7.2.1)
+      activesupport (= 7.2.1)
       nokogiri (>= 1.8.5)
       racc
-      rack (>= 2.2.4)
+      rack (>= 2.2.4, < 3.2)
       rack-session (>= 1.0.1)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    actiontext (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activestorage (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
+      useragent (~> 0.16)
+    actiontext (7.2.1)
+      actionpack (= 7.2.1)
+      activerecord (= 7.2.1)
+      activestorage (= 7.2.1)
+      activesupport (= 7.2.1)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (7.1.3.4)
-      activesupport (= 7.1.3.4)
+    actionview (7.2.1)
+      activesupport (= 7.2.1)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    activejob (7.1.3.4)
-      activesupport (= 7.1.3.4)
+    activejob (7.2.1)
+      activesupport (= 7.2.1)
       globalid (>= 0.3.6)
-    activemodel (7.1.3.4)
-      activesupport (= 7.1.3.4)
-    activerecord (7.1.3.4)
-      activemodel (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
+    activemodel (7.2.1)
+      activesupport (= 7.2.1)
+    activerecord (7.2.1)
+      activemodel (= 7.2.1)
+      activesupport (= 7.2.1)
       timeout (>= 0.4.0)
-    activestorage (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
+    activestorage (7.2.1)
+      actionpack (= 7.2.1)
+      activejob (= 7.2.1)
+      activerecord (= 7.2.1)
+      activesupport (= 7.2.1)
       marcel (~> 1.0)
-    activesupport (7.1.3.4)
+    activesupport (7.2.1)
       base64
       bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+      concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
       minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
     ast (2.4.2)
     base64 (0.2.0)
     bcrypt (3.1.20)
@@ -137,7 +133,7 @@ GEM
     grpc (1.64.3-x86_64-linux)
       google-protobuf (~> 3.25)
       googleapis-common-protos-types (~> 1.0)
-    i18n (1.14.5)
+    i18n (1.14.6)
       concurrent-ruby (~> 1.0)
     io-console (0.7.2)
     irb (1.14.0)
@@ -145,6 +141,7 @@ GEM
       reline (>= 0.4.2)
     json (2.7.2)
     language_server-protocol (3.17.0.3)
+    logger (1.6.1)
     lograge (0.14.0)
       actionpack (>= 4)
       activesupport (>= 4)
@@ -164,17 +161,16 @@ GEM
     minitest (5.25.1)
     msgpack (1.7.2)
     multi_json (1.15.0)
-    mutex_m (0.2.0)
-    net-imap (0.4.12)
+    net-imap (0.4.16)
       date
       net-protocol
     net-pop (0.1.2)
       net-protocol
     net-protocol (0.2.2)
       timeout
-    net-smtp (0.4.0.1)
+    net-smtp (0.5.0)
       net-protocol
-    nio4r (2.6.1)
+    nio4r (2.7.3)
     nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     parallel (1.25.1)
@@ -206,20 +202,20 @@ GEM
     rackup (2.1.0)
       rack (>= 3)
       webrick (~> 1.8)
-    rails (7.1.3.4)
-      actioncable (= 7.1.3.4)
-      actionmailbox (= 7.1.3.4)
-      actionmailer (= 7.1.3.4)
-      actionpack (= 7.1.3.4)
-      actiontext (= 7.1.3.4)
-      actionview (= 7.1.3.4)
-      activejob (= 7.1.3.4)
-      activemodel (= 7.1.3.4)
-      activerecord (= 7.1.3.4)
-      activestorage (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
+    rails (7.2.1)
+      actioncable (= 7.2.1)
+      actionmailbox (= 7.2.1)
+      actionmailer (= 7.2.1)
+      actionpack (= 7.2.1)
+      actiontext (= 7.2.1)
+      actionview (= 7.2.1)
+      activejob (= 7.2.1)
+      activemodel (= 7.2.1)
+      activerecord (= 7.2.1)
+      activestorage (= 7.2.1)
+      activesupport (= 7.2.1)
       bundler (>= 1.15.0)
-      railties (= 7.1.3.4)
+      railties (= 7.2.1)
     rails-dom-testing (2.2.0)
       activesupport (>= 5.0.0)
       minitest
@@ -227,10 +223,10 @@ GEM
     rails-html-sanitizer (1.6.0)
       loofah (~> 2.21)
       nokogiri (~> 1.14)
-    railties (7.1.3.4)
-      actionpack (= 7.1.3.4)
-      activesupport (= 7.1.3.4)
-      irb
+    railties (7.2.1)
+      actionpack (= 7.2.1)
+      activesupport (= 7.2.1)
+      irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
       thor (~> 1.0, >= 1.2.2)
@@ -309,6 +305,7 @@ GEM
       rubocop (~> 1.61)
       rubocop-rspec (~> 3, >= 3.0.1)
     ruby-progressbar (1.13.0)
+    securerandom (0.3.1)
     seed-fu (2.3.9)
       activerecord (>= 3.1)
       activesupport (>= 3.1)
@@ -336,6 +333,7 @@ GEM
     unparser (0.6.13)
       diff-lcs (~> 1.3)
       parser (>= 3.3.0)
+    useragent (0.16.10)
     webrick (1.8.1)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
@@ -362,7 +360,7 @@ DEPENDENCIES
   pry (~> 0.14.2)
   pry-byebug (~> 3.10)
   puma (>= 5.0)
-  rails (~> 7.1.2)
+  rails (~> 7.2.0)
   rotp
   rspec-parameterized (~> 1.0)
   rspec-rails (~> 6.0)
diff --git a/bin/rubocop b/bin/rubocop
new file mode 100644
index 00000000..40330c0f
--- /dev/null
+++ b/bin/rubocop
@@ -0,0 +1,8 @@
+#!/usr/bin/env ruby
+require "rubygems"
+require "bundler/setup"
+
+# explicit rubocop config increases performance slightly while avoiding config confusion.
+ARGV.unshift("--config", File.expand_path("../.rubocop.yml", __dir__))
+
+load Gem.bin_path("rubocop", "rubocop")
diff --git a/config/application.rb b/config/application.rb
index 65886c83..4b44e13a 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -14,8 +14,7 @@
 
 module Sagittarius
   class Application < Rails::Application
-    # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 7.1
+    config.load_defaults 7.2
 
     # Use SQL instead of Active Record's schema dumper when creating the database.
     # This is necessary if your schema can't be completely dumped by the schema dumper,
diff --git a/config/initializers/filter_parameter_logging.rb b/config/initializers/filter_parameter_logging.rb
index b6d5b30b..08a2d082 100644
--- a/config/initializers/filter_parameter_logging.rb
+++ b/config/initializers/filter_parameter_logging.rb
@@ -6,5 +6,5 @@
 # Use this to limit dissemination of sensitive information.
 # See the ActiveSupport::ParameterFilter documentation for supported notations and behaviors.
 Rails.application.config.filter_parameters += %i[
-  passw secret token _key crypt salt certificate otp ssn query variables
+  passw email secret token _key crypt salt certificate otp ssn query variables
 ]
diff --git a/config/sagittarius.example.yml b/config/sagittarius.example.yml
index 8509db71..378333c9 100644
--- a/config/sagittarius.example.yml
+++ b/config/sagittarius.example.yml
@@ -1,5 +1,5 @@
 rails:
-  threads: 5
+  threads: 3
   web:
     port: 3000
     force_ssl:
diff --git a/lib/sagittarius/configuration.rb b/lib/sagittarius/configuration.rb
index 3e0e302f..69a142f6 100644
--- a/lib/sagittarius/configuration.rb
+++ b/lib/sagittarius/configuration.rb
@@ -20,7 +20,7 @@ def self.application_setting_overrides
     def self.defaults
       {
         rails: {
-          threads: 5,
+          threads: 3,
           web: {
             port: 3000,
             force_ssl: nil,
diff --git a/lib/sagittarius/database/schema_migrations/context.rb b/lib/sagittarius/database/schema_migrations/context.rb
index 59756bfc..e3143e23 100644
--- a/lib/sagittarius/database/schema_migrations/context.rb
+++ b/lib/sagittarius/database/schema_migrations/context.rb
@@ -24,8 +24,8 @@ def schema_directory
         end
 
         def versions_to_create
-          versions_from_database = @connection.schema_migration.versions
-          versions_from_migration_files = @connection.migration_context.migrations.map { |m| m.version.to_s }
+          versions_from_database = @connection.pool.schema_migration.versions
+          versions_from_migration_files = @connection.pool.migration_context.migrations.map { |m| m.version.to_s }
 
           versions_from_database & versions_from_migration_files
         end
diff --git a/spec/lib/sagittarius/database/schema_migrations/context_spec.rb b/spec/lib/sagittarius/database/schema_migrations/context_spec.rb
index 2cc7e2bf..5511f454 100644
--- a/spec/lib/sagittarius/database/schema_migrations/context_spec.rb
+++ b/spec/lib/sagittarius/database/schema_migrations/context_spec.rb
@@ -22,11 +22,11 @@
   describe '#versions_to_create' do
     before do
       # rubocop:disable RSpec/MessageChain -- we are mocking into active records structure
-      allow(connection).to receive_message_chain(:schema_migration, :versions).and_return(migrated_versions)
+      allow(connection.pool).to receive_message_chain(:schema_migration, :versions).and_return(migrated_versions)
 
       migrations_struct = Struct.new(:version)
       migrations = file_versions.map { |version| migrations_struct.new(version) }
-      allow(connection).to receive_message_chain(:migration_context, :migrations).and_return(migrations)
+      allow(connection.pool).to receive_message_chain(:migration_context, :migrations).and_return(migrations)
       # rubocop:enable RSpec/MessageChain
     end