diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 75ce034..e05a950 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.6, 2.7, "3.0", jruby-9.2.8.0, ruby-head, jruby-head]
+        ruby: [2.6, 2.7, "3.0", jruby-9.3.1.0, ruby-head, jruby-head]
 
     name: ${{ matrix.ruby }}
 
@@ -39,12 +39,13 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
-      - uses: coverallsapp/github-action@v1.1.2
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
 
       - run: psql -c 'CREATE DATABASE batches_test'
       - run: bundle exec rake bundle:audit
       - run: bundle exec rake lint
       - run: bundle exec rspec
         continue-on-error: ${{ matrix.ruby == 'jruby-head' ||  matrix.ruby == 'ruby-head' }}
+
+      - uses: coverallsapp/github-action@v1.1.2
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 9e2c8ac..a9c1996 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -7,6 +7,10 @@ def is_jruby?
 require "simplecov"
 require "simplecov-lcov"
 
+SimpleCov::Formatter::LcovFormatter.config do |c|
+  c.report_with_single_file = true
+  c.single_report_path = "coverage/lcov.info"
+end
 SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new([
   SimpleCov::Formatter::HTMLFormatter,
   SimpleCov::Formatter::LcovFormatter,
@@ -20,16 +24,23 @@ def is_jruby?
 require "logger"
 require "yaml"
 
+DB_USER = (ENV["PGUSER"] || "").freeze
 DB_NAME = (ENV["DB_NAME"] || "batches_test").freeze
 
 def connect
-  schema = is_jruby? ? "jdbc:postgresql" : "postgres"
-  Sequel.connect("#{schema}:///#{DB_NAME}").tap(&:tables)
+  if is_jruby?
+    schema = "jdbc:postgresql"
+    user_string = "?user=#{DB_USER}"
+  else
+    schema = "postgres"
+  end
+
+  Sequel.connect("#{schema}:///#{DB_NAME}#{user_string}").tap(&:tables)
 rescue Sequel::DatabaseConnectionError => error
   raise unless error.message.include? "database \"#{DB_NAME}\" does not exist"
 
   `createdb #{DB_NAME}`
-  Sequel.connect("#{schema}:///#{DB_NAME}")
+  Sequel.connect("#{schema}:///#{DB_NAME}#{user_string}")
 end
 
 DB = connect