diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ce5b05..d08d05e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,86 +1,90 @@
 ---
 # Managed by modulesync - DO NOT EDIT
 # https://voxpupuli.org/docs/updating-files-managed-with-modulesync/
 
 name: CI
 
 on: pull_request
 
+concurrency:
+  group: ${{ github.head_ref }}
+  cancel-in-progress: true
+
 jobs:
   setup_matrix:
     name: 'Setup Test Matrix'
     runs-on: ubuntu-latest
     timeout-minutes: 40
     outputs:
       puppet_unit_test_matrix: ${{ steps.get-outputs.outputs.puppet_unit_test_matrix }}
       github_action_test_matrix: ${{ steps.get-outputs.outputs.github_action_test_matrix }}
     env:
       BUNDLE_WITHOUT: development:system_tests:release
     steps:
       - uses: actions/checkout@v2
       - name: Setup ruby
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.0'
           bundler-cache: true
       - name: Run static validations
         run: bundle exec rake validate lint check
       - name: Run rake rubocop
         run: bundle exec rake rubocop
       - name: Setup Test Matrix
         id: get-outputs
         run: bundle exec metadata2gha --use-fqdn --pidfile-workaround false
 
   unit:
     needs: setup_matrix
     runs-on: ubuntu-latest
     timeout-minutes: 40
     strategy:
       fail-fast: false
       matrix:
         include: ${{fromJson(needs.setup_matrix.outputs.puppet_unit_test_matrix)}}
     env:
       BUNDLE_WITHOUT: development:system_tests:release
       PUPPET_VERSION: "~> ${{ matrix.puppet }}.0"
     name: Puppet ${{ matrix.puppet }} (Ruby ${{ matrix.ruby }})
     steps:
       - uses: actions/checkout@v2
       - name: Setup ruby
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
       - name: Run tests
         run: bundle exec rake parallel_spec
 
   acceptance:
     needs: setup_matrix
     runs-on: ubuntu-latest
     env:
       BUNDLE_WITHOUT: development:test:release
     strategy:
       fail-fast: false
       matrix:
         include: ${{fromJson(needs.setup_matrix.outputs.github_action_test_matrix)}}
     name: ${{ matrix.puppet.name }} - ${{ matrix.setfile.name }}
     steps:
       - uses: actions/checkout@v2
       - name: Setup ruby
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.0'
           bundler-cache: true
       - name: Run tests
         run: bundle exec rake beaker
         env:
           BEAKER_PUPPET_COLLECTION: ${{ matrix.puppet.collection }}
           BEAKER_setfile: ${{ matrix.setfile.value }}
 
   tests:
     needs:
       - unit
       - acceptance
     runs-on: ubuntu-latest
     name: Test suite
     steps:
       - run: echo Test suite completed