diff --git a/.github/workflows/test_nightly.yml b/.github/workflows/test_nightly.yml
index d43d0e91..864baf09 100644
--- a/.github/workflows/test_nightly.yml
+++ b/.github/workflows/test_nightly.yml
@@ -35,7 +35,7 @@ jobs:
 
       - name: Install requirements
         run: |
-          python3 -m pip install --break-system-packages -U pip setuptools pkgconfig poetry-core
+          python3 -m pip install --break-system-packages -U pip setuptools pkgconfig poetry-core poetry-core poetry-dynamic-versioning
           python3 -m pip install --no-build-isolation --break-system-packages --no-cache-dir --no-binary=h5py .[netgen] --upgrade
 
       - name: Test building the book
diff --git a/pyproject.toml b/pyproject.toml
index 5f071703..8ea5a4fc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = ["pdbpp", "ipython", "ruff", "pre-commit"]
 netgen = [
-    "ngsPETSc@git+https://github.com/NGSolve/ngsPETSc/@main",
+    "ngsPETSc>=0.2.1",
 ] # Has to be optional as we cant get netgen on linux/arm64
 
 [tool.setuptools]