diff --git a/.github/workflows/pipeline.yml b/.github/workflows/pipeline.yml
new file mode 100644
index 0000000..105ab0f
--- /dev/null
+++ b/.github/workflows/pipeline.yml
@@ -0,0 +1,72 @@
+name: pipeline
+
+on:
+  push:
+    branches:
+      - master
+      - dev
+      - test_ci
+  pull_request:
+
+jobs:
+  test-job:
+    runs-on: ${{ matrix.os }}
+
+    defaults:
+      run:
+        shell: bash -l {0}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        python-version: ["3.10", "3.11", "3.12"]
+        include:
+          - os: windows-latest
+            python-version: "3.12"
+          - os: macos-12
+            python-version: "3.12"
+
+    env:
+      CONDA_FILE: environment.yml
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Get Date
+        id: get-date
+        run: echo "today=$(/bin/date -u '+%Y%m%d')" >> $GITHUB_OUTPUT
+        shell: bash
+
+      - name: Setup Conda Environment
+        uses: conda-incubator/setup-miniconda@v3
+        with:
+          miniforge-variant: Mambaforge
+          miniforge-version: latest
+          use-mamba: true
+          activate-environment: cadet-rdm
+          channels: conda-forge,
+
+      - name: Cache conda
+        uses: actions/cache@v4
+        env:
+          # Increase this value to reset cache if environment.yml has not changed
+          CACHE_NUMBER: 0
+        with:
+          path: ${{ env.CONDA }}/envs
+          key: ${{ matrix.os }}-python_${{ matrix.python-version }}-${{ steps.get-date.outputs.today }}-${{ hashFiles(env.CONDA_FILE) }}-${{ env.CACHE_NUMBER }}
+
+      - name: Update environment
+        run: |
+          mamba install "setuptools>=69" "pip>=24"
+          mamba install python=${{ matrix.python-version }}
+          echo "python=${{ matrix.python-version }}.*" > $CONDA_PREFIX/conda-meta/pinned
+          mamba env update -n cadet-rdm -f ${{ env.CONDA_FILE }}
+        if: steps.cache.outputs.cache-hit != 'true'
+
+      - name: Install
+        run: |
+          pip install -e ./[testing]
+
+      - name: Test
+        run: |
+          pytest tests -m "not server_api"
diff --git a/.github/workflows/publish_to_pypi.yml b/.github/workflows/publish_to_pypi.yml
new file mode 100644
index 0000000..222a9a7
--- /dev/null
+++ b/.github/workflows/publish_to_pypi.yml
@@ -0,0 +1,34 @@
+name: Publish CADET-RDM to PyPI
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build-and-publish:
+    name: Build and publish CADET-RDM to PyPI
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+      - name: Install pypa/build
+        run: >-
+          python -m
+          pip install
+          build
+          --user
+      - name: Build a binary wheel and a source tarball
+        run: >-
+          python -m
+          build
+          --sdist
+          --wheel
+          --outdir dist/
+          .
+      - name: Publish distribution PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          password: ${{ secrets.PYPI_API_TOKEN }}
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
deleted file mode 100644
index 10bb407..0000000
--- a/.gitlab-ci.yml
+++ /dev/null
@@ -1,31 +0,0 @@
-image: python:3.12
-
-stages:
-  - test
-  - build
-
-test-stage:
-  stage: test
-  script:
-    - apt-get update
-    - apt-get install git-lfs
-    - git config --global user.email "you@example.com"
-    - git config --global user.name "Your Name"
-    - cd ..
-    - python -m venv testing
-    - source testing/bin/activate
-    - cd CADET-RDM
-    - pip install -U pytest setuptools
-    - pip install .[testing]
-    - pip list
-    - ls -l
-    - pytest tests -m "not server_api"
-
-build-release:
-  rules:
-    - if: $CI_COMMIT_TAG =~ /^v?\d+\.\d+\.\d+.*/
-  stage: build
-  script:
-    - pip install -U build twine
-    - python -m build
-    - python -m twine upload dist/*