diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8bcbd1c..ba68552 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -25,17 +25,19 @@ jobs:
         ports:
           # Maps port 6379 on service container to the host
           - 6379:6379
+    strategy:
+      matrix:
+        sidekiq-version: ["7", "8"]
     env:
-      BUNDLE_VERSION: "~> 2.1.4"
+      BUNDLE_VERSION: "~> 2.7.2"
       BUNDLE_GEMS__CONTRIBSYS__COM: ${{ secrets.BUNDLE_GEMS__CONTRIBSYS__COM }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
-      - name: Install Ruby and gems
+        uses: actions/checkout@v5
+      - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.2.5'
+          ruby-version: "3.3.7"
           bundler-cache: true
-      - name: Run tests
-        run: |
-          bundle exec rake ci:specs
+      - name: Install dependencies and Run tests
+        run: bundle exec rake test:sidekiq${{ matrix.sidekiq-version }}
diff --git a/Gemfile b/Gemfile
index 06e22e6..c1b27ba 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,10 +1,10 @@
 source "https://rubygems.org"
 
 source "https://gems.contribsys.com/" do
-  gem "sidekiq-pro", "7.3.0"
+  gem "sidekiq-pro", ">= 7.3.0", "< 9"
 end
 
-gem "sidekiq", "7.3.0"
+gem "sidekiq", ">= 7.3.0", "< 9"
 
 # Specify your gem's dependencies in simplekiq.gemspec
 gemspec
diff --git a/Gemfile.sidekiq7 b/Gemfile.sidekiq7
new file mode 100644
index 0000000..06e22e6
--- /dev/null
+++ b/Gemfile.sidekiq7
@@ -0,0 +1,10 @@
+source "https://rubygems.org"
+
+source "https://gems.contribsys.com/" do
+  gem "sidekiq-pro", "7.3.0"
+end
+
+gem "sidekiq", "7.3.0"
+
+# Specify your gem's dependencies in simplekiq.gemspec
+gemspec
diff --git a/README.md b/README.md
index ae1032d..1b47c1c 100644
--- a/README.md
+++ b/README.md
@@ -148,7 +148,12 @@ This project follows semantic versioning. See https://semver.org/ for details.
 
 After checking out the repo, run `bin/setup` to install dependencies. Note that this depends on `sidekiq-pro` which requires a [commercial license](https://sidekiq.org/products/pro.html) to install and use.
 
-Then, run `rake ci:specs` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
+Then, run `rake ci:specs` to run the tests. You can also run:
+- `rake test:sidekiq8` to test against Sidekiq 8.0 (default)
+- `rake test:sidekiq7` to test against Sidekiq 7.3
+- `rake test:all` to test against all supported Sidekiq versions
+
+You can also run `bin/console` for an interactive prompt that will allow you to experiment.
 
 To install this gem onto your local machine, run `bundle exec rake install`.
 
diff --git a/Rakefile b/Rakefile
index 2b18c34..8017089 100644
--- a/Rakefile
+++ b/Rakefile
@@ -7,3 +7,20 @@ FileList["tasks/*.rake"].each { |task| load task }
 RSpec::Core::RakeTask.new(:spec)
 
 task default: :spec
+
+namespace :test do
+  desc "Test against Sidekiq 8.0 (default)"
+  task :sidekiq8 do
+    sh "bundle install"
+    sh "bundle exec rspec"
+  end
+
+  desc "Test against Sidekiq 7.3"
+  task :sidekiq7 do
+    sh "bundle install --gemfile=Gemfile.sidekiq7"
+    sh "bundle exec rspec"
+  end
+
+  desc "Test against all Sidekiq versions"
+  task :all => [:sidekiq8, :sidekiq7]
+end
diff --git a/simplekiq.gemspec b/simplekiq.gemspec
index e94d17b..51b3fef 100644
--- a/simplekiq.gemspec
+++ b/simplekiq.gemspec
@@ -29,6 +29,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "pry"
   spec.add_development_dependency "standard"
 
-  spec.add_dependency "sidekiq", ">= 7.3.0"
-  spec.add_dependency "sidekiq-pro", "~> 7.3.0"
+  spec.add_dependency "sidekiq", ">= 7.3.0", "< 9.0"
+  spec.add_dependency "sidekiq-pro", ">= 7.3.0", "< 9.0"
 end