diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 29819e64..1c798f83 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ jobs:
       fail-fast: false
       matrix:
         ruby-version: [3.2.2]
-        database: [mysql]
+        database: [mysql, sqlite]
     services:
       mysql:
         image: mysql:8.0.31
diff --git a/lib/solid_queue/supervisor.rb b/lib/solid_queue/supervisor.rb
index c053e803..3f2a1444 100644
--- a/lib/solid_queue/supervisor.rb
+++ b/lib/solid_queue/supervisor.rb
@@ -117,6 +117,7 @@ def start_runner(runner)
 
         pid = fork do
           runner.start
+          exit!
         end
 
         forks[pid] = runner
diff --git a/test/dummy/config/database.yml b/test/dummy/config/database.yml
index 8af24d93..cc9551a1 100644
--- a/test/dummy/config/database.yml
+++ b/test/dummy/config/database.yml
@@ -5,6 +5,22 @@
 #   gem "mysql2"
 #
 
+<% if ENV["TARGET_DB"] == "sqlite" %>
+default: &default
+  adapter: sqlite3
+  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 50 } %>
+  retries: 100
+
+development:
+  <<: *default
+  database: db/development.sqlite
+
+test:
+  <<: *default
+  pool: 20
+  database: db/test.sqlite
+
+<% else %>
 default: &default
   adapter: mysql2
   username: root
@@ -20,3 +36,5 @@ test:
   <<: *default
   pool: 20
   database: solid_queue_test
+<% end %>
+
diff --git a/test/dummy/config/initializers/sqlite3.rb b/test/dummy/config/initializers/sqlite3.rb
new file mode 100644
index 00000000..80d0fec0
--- /dev/null
+++ b/test/dummy/config/initializers/sqlite3.rb
@@ -0,0 +1,30 @@
+module SqliteImmediateTransactions
+  def begin_db_transaction
+    log("begin immediate transaction", "TRANSACTION") do
+      with_raw_connection(allow_retry: true, materialize_transactions: false) do |conn|
+        conn.transaction(:immediate)
+      end
+    end
+  end
+end
+
+module SQLite3Configuration
+  private
+    def configure_connection
+      super
+
+      if @config[:retries]
+        retries = self.class.type_cast_config_to_integer(@config[:retries])
+        raw_connection.busy_handler do |count|
+          (count <= retries).tap { |result| sleep count * 0.001 if result }
+        end
+      end
+    end
+end
+
+ActiveSupport.on_load :active_record do
+  if defined?(ActiveRecord::ConnectionAdapters::SQLite3Adapter)
+    ActiveRecord::ConnectionAdapters::SQLite3Adapter.prepend SqliteImmediateTransactions
+    ActiveRecord::ConnectionAdapters::SQLite3Adapter.prepend SQLite3Configuration
+  end
+end
diff --git a/test/dummy/config/solid_queue.yml b/test/dummy/config/solid_queue.yml
index df780efe..9ce3cdad 100644
--- a/test/dummy/config/solid_queue.yml
+++ b/test/dummy/config/solid_queue.yml
@@ -5,7 +5,7 @@ default: &default
     default:
       pool_size: 5
   scheduler:
-    polling_interval: 300
+    polling_interval: 1
     batch_size: 500
 
 development:
diff --git a/test/test_helper.rb b/test/test_helper.rb
index eb7974f6..e74b20a5 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -15,6 +15,16 @@
   ActiveSupport::TestCase.fixtures :all
 end
 
+module BlockLogDeviceTimeoutExceptions
+  def write(...)
+    # Prevents TimeoutExceptions from occurring during log writing, where they will be swallowed
+    # See https://bugs.ruby-lang.org/issues/9115
+    Thread.handle_interrupt(Timeout::Error => :never, Timeout::ExitException => :never) { super }
+  end
+end
+
+Logger::LogDevice.prepend(BlockLogDeviceTimeoutExceptions)
+
 class ActiveSupport::TestCase
   setup do
     SolidQueue.logger = ActiveSupport::Logger.new(nil)