diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index d3930d4..674dd64 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/setup-depiction
         with:
-          python-version: 3.11
+          python-version: 3.12
       - name: Run unit tests
         run: cd tests && python -m unittest discover -s ./unit -p 'test_*.py'
       - name: Code style
diff --git a/pyproject.toml b/pyproject.toml
index 666fea0..c00e576 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,6 +6,7 @@ authors = [{name = "Leonardo Schwarz", email = "leonardo.schwarz@fgcz.ethz.ch"}]
 readme = "README.md"
 
 dependencies = [
+    "setuptools",
     "spatialdata@git+https://github.com/leoschwarz/spatialdata@py3_12-support",
     "spatialdata-plot>=0.2.1",
     "alphapept>=0.5.2",