diff --git a/.github/workflows/mac.yml b/.github/workflows/mac.yml
index 20cfa452..5f924c52 100644
--- a/.github/workflows/mac.yml
+++ b/.github/workflows/mac.yml
@@ -15,16 +15,14 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
         with:
+          version: "0.5.7"
           python-version: ${{ matrix.python-version }}
 
-      - name: Install python dependencies
-        run: |
-          source ~/.zshrc
-          poetry env use ${{ matrix.python-version }}
-          poetry install --with dev --extras all
+      - name: Install dependencies
+        run: uv sync --all-extras
 
       - name: Run test suite
         env:
@@ -32,7 +30,7 @@ jobs:
           PYTEST_ADDOPTS: "--durations=0"
         run: |
           source ~/.zshrc
-          poetry run pytest --run-extra-mlips --cov janus_core --cov-append .
+          uv run pytest --run-extra-mlips --cov janus_core --cov-append .
 
       - name: Report coverage to Coveralls
         uses: coverallsapp/github-action@v2