diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index 1f9f895..c8201e1 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -26,6 +26,8 @@ jobs:
         include:
           - ruby: "ruby"
             standardrb: true
+          - ruby: "3.4"
+            appraisal: "activerecord_8"
           - ruby: "3.1"
             appraisal: "activerecord_7"
           - ruby: "2.7"
diff --git a/.github/workflows/regression_test.yml b/.github/workflows/regression_test.yml
deleted file mode 100644
index d186fea..0000000
--- a/.github/workflows/regression_test.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-name: Regression Test
-on:
-  workflow_dispatch:
-  schedule:
-    - cron: "0 15 * * 1"
-env:
-  BUNDLE_CLEAN: "true"
-  BUNDLE_PATH: vendor/bundle
-  BUNDLE_JOBS: 3
-  BUNDLE_RETRY: 3
-jobs:
-  specs:
-    name: Run specs
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Set up Ruby ${{ matrix.ruby }}
-        uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: ruby
-      - name: Install bundler
-        run: |
-          bundle update
-      - name: Run specs
-        run: |
-          bundle exec rake spec
diff --git a/Appraisals b/Appraisals
index 7fb23fc..f73ff29 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,5 +1,10 @@
 # frozen_string_literal: true
 
+appraise "activerecord_8" do
+  gem "activerecord", "~> 8.0"
+  gem "sqlite3", "~> 2.5.0"
+end
+
 appraise "activerecord_7" do
   gem "activerecord", "~> 7.0"
   gem "sqlite3", "~> 1.4.0"
@@ -8,6 +13,7 @@ end
 appraise "activerecord_6" do
   gem "activerecord", "~> 6.0"
   gem "sqlite3", "~> 1.4.0"
+  gem "concurrent-ruby", "1.3.4"
 end
 
 appraise "activerecord_5" do
diff --git a/Gemfile b/Gemfile
index 32d4b72..7d0264b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ gemspec
 
 gem "rspec", "~> 3.0"
 gem "rake"
-gem "sqlite3", "~> 1.4"
+gem "sqlite3"
 gem "appraisal"
 gem "standard", "~>1.0"
 gem "pry-byebug"
diff --git a/README.md b/README.md
index 924913c..61d64ad 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # Support Table Cache
 
 [![Continuous Integration](https://github.com/bdurand/support_table_cache/actions/workflows/continuous_integration.yml/badge.svg)](https://github.com/bdurand/support_table_cache/actions/workflows/continuous_integration.yml)
-[![Regression Test](https://github.com/bdurand/support_table_cache/actions/workflows/regression_test.yml/badge.svg)](https://github.com/bdurand/support_table_cache/actions/workflows/regression_test.yml)
 [![Ruby Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://github.com/testdouble/standard)
+[![Gem Version](https://badge.fury.io/rb/support_table_cache.svg)](https://badge.fury.io/rb/support_table_cache)
 
 This gem adds caching for ActiveRecord support table models. These models have a unique key (i.e. a unique `name` attribute, etc.) and a limited number of entries (a few hundred at most). These are often models added to normalize the data structure and are also known as lookup tables.
 
diff --git a/gemfiles/activerecord_6.gemfile b/gemfiles/activerecord_6.gemfile
index b8b66b2..ccf4270 100644
--- a/gemfiles/activerecord_6.gemfile
+++ b/gemfiles/activerecord_6.gemfile
@@ -10,5 +10,6 @@ gem "standard", "~>1.0"
 gem "pry-byebug"
 gem "yard"
 gem "activerecord", "~> 6.0"
+gem "concurrent-ruby", "1.3.4"
 
 gemspec path: "../"
diff --git a/gemfiles/activerecord_8.gemfile b/gemfiles/activerecord_8.gemfile
new file mode 100644
index 0000000..6a073c3
--- /dev/null
+++ b/gemfiles/activerecord_8.gemfile
@@ -0,0 +1,14 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "rspec", "~> 3.0"
+gem "rake"
+gem "sqlite3", "~> 2.5.0"
+gem "appraisal"
+gem "standard", "~>1.0"
+gem "pry-byebug"
+gem "yard"
+gem "activerecord", "~> 8.0"
+
+gemspec path: "../"