diff --git a/.github/workflows/fenicsx-tests.yml b/.github/workflows/fenicsx-tests.yml
index 6363a55bf..a3f8581e8 100644
--- a/.github/workflows/fenicsx-tests.yml
+++ b/.github/workflows/fenicsx-tests.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: 3.12
 
       - name: Install test dependencies
         run: |
@@ -30,7 +30,7 @@ jobs:
 
       - name: Install UFL
         run: |
-          pip3 install .
+          pip3 install --break-system-packages .
 
       - name: Install Basix
         run: |
@@ -65,12 +65,12 @@ jobs:
 
       - name: Install UFL
         run: |
-          pip3 install .
+          pip3 install --break-system-packages .
 
       - name: Install Basix and FFCx
         run: |
-          python3 -m pip install git+https://github.com/FEniCS/basix.git
-          python3 -m pip install git+https://github.com/FEniCS/ffcx.git
+          python3 -m pip install --break-system-packages  git+https://github.com/FEniCS/basix.git
+          python3 -m pip install --break-system-packages  git+https://github.com/FEniCS/ffcx.git
 
       - name: Clone DOLFINx
         uses: actions/checkout@v4
@@ -83,6 +83,6 @@ jobs:
           cmake -G Ninja -DCMAKE_BUILD_TYPE=Developer -B build -S dolfinx/cpp/
           cmake --build build
           cmake --install build
-          python3 -m pip -v install --no-build-isolation --check-build-dependencies --config-settings=cmake.build-type="Developer" dolfinx/python/
+          python3 -m pip -v install --break-system-packages --no-build-isolation --check-build-dependencies --config-settings=cmake.build-type="Developer" dolfinx/python/
       - name: Run DOLFINx unit tests
         run: python3 -m pytest -n auto dolfinx/python/test/unit
diff --git a/doc/sphinx/source/manual/form_language.rst b/doc/sphinx/source/manual/form_language.rst
index 3d20924de..1c9687893 100644
--- a/doc/sphinx/source/manual/form_language.rst
+++ b/doc/sphinx/source/manual/form_language.rst
@@ -764,11 +764,10 @@ Basic nonlinear functions
 Some basic nonlinear functions are also available, their meaning mostly
 obvious.
 
-* ``abs(f)``: the absolute value of f.
+The following functions are defined and should be imported from `ufl`
 
-* ``sign(f)``: the sign of f (+1 or -1).
 
-* ``pow(f, g)`` or ``f**g``: f to the power g, :math:`f^g`
+* ``sign(f)``: the sign of f (+1 or -1).
 
 * ``sqrt(f)``: square root, :math:`\sqrt{f}`
 
@@ -806,6 +805,14 @@ obvious.
 
 * ``bessel_K(nu, f)``: Modified Bessel function of the second kind, :math:`K_\nu(f)`
 
+while the following Python built in functions can be used without an import statement
+
+* ``abs(f)``: the absolute value of f.
+
+
+* ``pow(f, g)`` or ``f**g``: f to the power g, :math:`f^g`
+
+
 These functions do not accept non-scalar operands or operands with free
 indices or ``Argument`` dependencies.