diff --git a/Dockerfile b/Dockerfile
index b05b6a2..5369b25 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -36,7 +36,8 @@ RUN apt-get update -qq && \
   rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
 # Install application gems
-COPY Gemfile Gemfile.lock vendor ./
+COPY vendor/* ./vendor/
+COPY Gemfile Gemfile.lock ./
 
 RUN bundle install && \
   rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
diff --git a/Gemfile b/Gemfile
index 22b46a0..621c465 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
-gem "rails", "~> 8.1.0"
+gem "rails", "~> 8.1.2"
 # The modern asset pipeline for Rails [https://github.com/rails/propshaft]
 # gem "propshaft"
 # Use postgresql as the database for Active Record
diff --git a/Gemfile.lock b/Gemfile.lock
index 7a7b6e1..34abb33 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,29 +5,29 @@ GEM
       concurrent-ruby (~> 1.0)
     action_text-trix (2.1.16)
       railties
-    actioncable (8.1.1)
-      actionpack (= 8.1.1)
-      activesupport (= 8.1.1)
+    actioncable (8.1.2)
+      actionpack (= 8.1.2)
+      activesupport (= 8.1.2)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (8.1.1)
-      actionpack (= 8.1.1)
-      activejob (= 8.1.1)
-      activerecord (= 8.1.1)
-      activestorage (= 8.1.1)
-      activesupport (= 8.1.1)
+    actionmailbox (8.1.2)
+      actionpack (= 8.1.2)
+      activejob (= 8.1.2)
+      activerecord (= 8.1.2)
+      activestorage (= 8.1.2)
+      activesupport (= 8.1.2)
       mail (>= 2.8.0)
-    actionmailer (8.1.1)
-      actionpack (= 8.1.1)
-      actionview (= 8.1.1)
-      activejob (= 8.1.1)
-      activesupport (= 8.1.1)
+    actionmailer (8.1.2)
+      actionpack (= 8.1.2)
+      actionview (= 8.1.2)
+      activejob (= 8.1.2)
+      activesupport (= 8.1.2)
       mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (8.1.1)
-      actionview (= 8.1.1)
-      activesupport (= 8.1.1)
+    actionpack (8.1.2)
+      actionview (= 8.1.2)
+      activesupport (= 8.1.2)
       nokogiri (>= 1.8.5)
       rack (>= 2.2.4)
       rack-session (>= 1.0.1)
@@ -35,36 +35,36 @@ GEM
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
       useragent (~> 0.16)
-    actiontext (8.1.1)
+    actiontext (8.1.2)
       action_text-trix (~> 2.1.15)
-      actionpack (= 8.1.1)
-      activerecord (= 8.1.1)
-      activestorage (= 8.1.1)
-      activesupport (= 8.1.1)
+      actionpack (= 8.1.2)
+      activerecord (= 8.1.2)
+      activestorage (= 8.1.2)
+      activesupport (= 8.1.2)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (8.1.1)
-      activesupport (= 8.1.1)
+    actionview (8.1.2)
+      activesupport (= 8.1.2)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    activejob (8.1.1)
-      activesupport (= 8.1.1)
+    activejob (8.1.2)
+      activesupport (= 8.1.2)
       globalid (>= 0.3.6)
-    activemodel (8.1.1)
-      activesupport (= 8.1.1)
-    activerecord (8.1.1)
-      activemodel (= 8.1.1)
-      activesupport (= 8.1.1)
+    activemodel (8.1.2)
+      activesupport (= 8.1.2)
+    activerecord (8.1.2)
+      activemodel (= 8.1.2)
+      activesupport (= 8.1.2)
       timeout (>= 0.4.0)
-    activestorage (8.1.1)
-      actionpack (= 8.1.1)
-      activejob (= 8.1.1)
-      activerecord (= 8.1.1)
-      activesupport (= 8.1.1)
+    activestorage (8.1.2)
+      actionpack (= 8.1.2)
+      activejob (= 8.1.2)
+      activerecord (= 8.1.2)
+      activesupport (= 8.1.2)
       marcel (~> 1.0)
-    activesupport (8.1.1)
+    activesupport (8.1.2)
       base64
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.3.1)
@@ -164,7 +164,7 @@ GEM
     msgpack (1.8.0)
     net-http (0.6.0)
       uri
-    net-imap (0.5.12)
+    net-imap (0.6.2)
       date
       net-protocol
     net-pop (0.1.2)
@@ -173,7 +173,7 @@ GEM
       timeout
     net-smtp (0.5.1)
       net-protocol
-    nio4r (2.7.4)
+    nio4r (2.7.5)
     nokogiri (1.19.0)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
@@ -201,20 +201,20 @@ GEM
       rack (>= 1.3)
     rackup (2.3.1)
       rack (>= 3)
-    rails (8.1.1)
-      actioncable (= 8.1.1)
-      actionmailbox (= 8.1.1)
-      actionmailer (= 8.1.1)
-      actionpack (= 8.1.1)
-      actiontext (= 8.1.1)
-      actionview (= 8.1.1)
-      activejob (= 8.1.1)
-      activemodel (= 8.1.1)
-      activerecord (= 8.1.1)
-      activestorage (= 8.1.1)
-      activesupport (= 8.1.1)
+    rails (8.1.2)
+      actioncable (= 8.1.2)
+      actionmailbox (= 8.1.2)
+      actionmailer (= 8.1.2)
+      actionpack (= 8.1.2)
+      actiontext (= 8.1.2)
+      actionview (= 8.1.2)
+      activejob (= 8.1.2)
+      activemodel (= 8.1.2)
+      activerecord (= 8.1.2)
+      activestorage (= 8.1.2)
+      activesupport (= 8.1.2)
       bundler (>= 1.15.0)
-      railties (= 8.1.1)
+      railties (= 8.1.2)
     rails-dom-testing (2.3.0)
       activesupport (>= 5.0.0)
       minitest
@@ -222,9 +222,9 @@ GEM
     rails-html-sanitizer (1.6.2)
       loofah (~> 2.21)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
-    railties (8.1.1)
-      actionpack (= 8.1.1)
-      activesupport (= 8.1.1)
+    railties (8.1.2)
+      actionpack (= 8.1.2)
+      activesupport (= 8.1.2)
       irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
@@ -322,10 +322,10 @@ GEM
       activesupport (>= 6.1)
       sprockets (>= 3.0.0)
     stringio (3.2.0)
-    thor (1.4.0)
+    thor (1.5.0)
     thruster (0.1.17)
     tilt (2.3.0)
-    timeout (0.4.4)
+    timeout (0.6.0)
     trestle (0.10.1)
       activemodel (>= 6.0.0)
       kaminari (>= 1.1.0)
@@ -373,7 +373,7 @@ DEPENDENCIES
   health_check (~> 3.1)
   pg (~> 1.1)
   puma (>= 5.0)
-  rails (~> 8.1.0)
+  rails (~> 8.1.2)
   redis (>= 4.0.1)
   rouge (~> 4.0)
   rspec-rails (~> 8.0)
diff --git a/config/ci.rb b/config/ci.rb
index 3d9d80b..6ee9006 100644
--- a/config/ci.rb
+++ b/config/ci.rb
@@ -9,6 +9,9 @@
   step "Tests: Rails", "bin/rails spec"
   step "Tests: Seeds", "env RAILS_ENV=test bin/rails db:seed:replant"
 
+  # Optional: Run system tests
+  # step "Tests: System", "bin/rails test:system"
+
   # Optional: set a green GitHub commit status to unblock PR merge.
   # Requires the `gh` CLI and `gh extension install basecamp/gh-signoff`.
   # if success?
diff --git a/config/initializers/monkey_patch_ar_schema_dumper.rb b/config/initializers/monkey_patch_ar_schema_dumper.rb
index 0105c37..fbf8884 100644
--- a/config/initializers/monkey_patch_ar_schema_dumper.rb
+++ b/config/initializers/monkey_patch_ar_schema_dumper.rb
@@ -20,7 +20,7 @@ def columns_array.sort_by(*) = self
   end
 end
 
-if Rails.version.to_s == "8.1.1"
+if Rails.version.to_s == "8.1.2"
   ActiveRecord::SchemaDumper.prepend MonkeyPatches::DisableSortedColumnsInSchema
 else
   warn "WARNING: It looks like Rails has been changed since `ActiveRecord::SchemaDumper` was monkey-patched in #{__FILE__}. Please re-evaluate the patch."