diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 000000000..70b336431
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,20 @@
+name: build
+
+on:
+  release:
+    types: 
+      - released
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  build:
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/publish_pure_python.yml@86823142467dd2afcd1bbac57d3a664cf468eb3b # v2.1.0
+    with:
+      upload_to_pypi: ${{ (github.event_name == 'release') && (github.event.action == 'released') }}
+    secrets:
+      pypi_token: ${{ secrets.PYPI_TOKEN }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 538586dda..c76125018 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,40 +1,53 @@
 name: test
 
-on: [pull_request]
+on: 
+  pull_request:
+  release:
+    types:
+      - created
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
-
   test:
-
-    name: Python ${{ matrix.python-version }} (${{ matrix.os }})
-    runs-on: ${{ matrix.os }}
     strategy:
-      max-parallel: 5
       matrix:
-        os: [ubuntu-latest, macos-latest]
-        python-version: ['3.10', '3.11', '3.12']
+        runs-on: 
+          - ubuntu-latest
+          - macos-latest
+        python-version: 
+          - '3.10'
+          - '3.11'
+          - '3.12'
       fail-fast: false
-
+    runs-on: ${{ matrix.runs-on }}
+    name: Python ${{ matrix.python-version }} (${{ matrix.runs-on }})
     steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/setup-python@v5
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
         with:
           python-version: ${{ matrix.python-version }}
           cache: pip
           cache-dependency-path: pyproject.toml
-
       - name: set useful environment variables
         run: |
           echo PYTHONVERSION=${{ matrix.python-version }} >> $GITHUB_ENV
           echo EXOCTK_DATA=$RUNNER_WORKSPACE/exoctk/exoctk/data/ >> $GITHUB_ENV
-
-      - run: pip freeze
-      
+      - run: pip install .
+      - run: pip freeze > requirements-py${{ matrix.python-version }}-${{ matrix.os }}.txt
       - run: pip install .[test]
-
-      - run: pytest exoctk/tests/
+      - run: pytest exoctk/tests/ --cov ./ --cov-report term-missing --cov xml -n auto 
+      - uses: codecov/codecov-action@18283e04ce6e62d37312384ff67231eb8fd56d24 # v5.4.3
+        with:
+          files: ./coverage.xml
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        with:
+          path: requirements-py${{ matrix.python-version }}-${{ matrix.os }}.txt
+      - if: (github.event_name == 'release' && github.event.action == 'published')
+        uses: svenstaro/upload-release-action@v2
+        with:
+          file: requirements-py${{ matrix.python-version }}-${{ matrix.os }}.txt
diff --git a/.gitignore b/.gitignore
index a82142ba3..dd49a2235 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,6 +17,7 @@ exoctk/__pycache__
 # Other generated files
 */_version.py
 */cython_version.py
+*/_version.py
 htmlcov
 .coverage
 MANIFEST
diff --git a/pyproject.toml b/pyproject.toml
index 901377677..1e119fa48 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,6 +70,7 @@ dynamic = ["version"]
 test = [
   "pytest",
   "pytest-cov",
+  "pytest-xdist",
 ]
 docs = [
   "sphinx",