diff --git a/.github/workflows/run_periodic_tests.yml b/.github/workflows/run_periodic_tests.yml
index 8e3a8b2644..cdf1a73e1a 100644
--- a/.github/workflows/run_periodic_tests.yml
+++ b/.github/workflows/run_periodic_tests.yml
@@ -82,38 +82,38 @@ jobs:
 
       - name: Install SuiteSparse and SUNDIALS on GNU/Linux
         if: matrix.os == 'ubuntu-latest'
-        run: pipx run nox -s pybamm-requires
+        run: python -m nox -s pybamm-requires
 
       - name: Run unit tests for GNU/Linux with Python 3.8, 3.9, and 3.10, and for macOS and Windows with all Python versions
         if: (matrix.os == 'ubuntu-latest' && matrix.python-version != 3.11) || (matrix.os != 'ubuntu-latest')
-        run: pipx run nox -s unit
+        run: python -m nox -s unit
 
       - name: Run unit tests for GNU/Linux with Python 3.11 and generate coverage report
         if: matrix.os == 'ubuntu-latest' && matrix.python-version == 3.11
-        run: pipx run nox -s coverage
+        run: python -m nox -s coverage
 
       - name: Upload coverage report
         if: matrix.os == 'ubuntu-latest' && matrix.python-version == 3.11
         uses: codecov/codecov-action@v3.1.4
 
       - name: Run integration tests
-        run: pipx run nox -s integration
+        run: python -m nox -s integration
 
       - name: Install docs dependencies and run doctests
         if: matrix.os == 'ubuntu-latest'
-        run: pipx run nox -s doctests
+        run: python -m nox -s doctests
 
       - name: Check if the documentation can be built
         if: matrix.os == 'ubuntu-latest'
-        run: pipx run nox -s docs
+        run: python -m nox -s docs
 
       - name: Install dev dependencies and run example tests
         if: matrix.os == 'ubuntu-latest'
-        run: pipx run nox -s examples
+        run: python -m nox -s examples
 
       - name: Run example scripts tests
         if: matrix.os == 'ubuntu-latest'
-        run: pipx run nox -s scripts
+        run: python -m nox -s scripts
 
   #M-series Mac Mini
   build-apple-mseries:
diff --git a/.github/workflows/test_on_push.yml b/.github/workflows/test_on_push.yml
index 38735a15f5..8ab91eaa54 100644
--- a/.github/workflows/test_on_push.yml
+++ b/.github/workflows/test_on_push.yml
@@ -107,10 +107,10 @@ jobs:
 
       - name: Install SuiteSparse and SUNDIALS on GNU/Linux
         if: matrix.os == 'ubuntu-latest'
-        run: pipx run nox -s pybamm-requires
+        run: python -m nox -s pybamm-requires
 
       - name: Run unit tests for ${{ matrix.os }} with Python ${{ matrix.python-version }}
-        run: pipx run nox -s unit
+        run: python -m nox -s unit
 
   # Runs only on Ubuntu with Python 3.11
   check_coverage:
@@ -162,10 +162,10 @@ jobs:
           key: nox-pybamm-requires-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/install_KLU_Sundials.py') }}
 
       - name: Install SuiteSparse and SUNDIALS on GNU/Linux
-        run: pipx run nox -s pybamm-requires
+        run: python -m nox -s pybamm-requires
 
       - name: Run unit tests for Ubuntu with Python 3.11 and generate coverage report
-        run: pipx run nox -s coverage
+        run: python -m nox -s coverage
 
       - name: Upload coverage report
         uses: codecov/codecov-action@v3.1.4
@@ -243,10 +243,10 @@ jobs:
 
       - name: Install SuiteSparse and SUNDIALS on GNU/Linux
         if: matrix.os == 'ubuntu-latest'
-        run: pipx run nox -s pybamm-requires
+        run: python -m nox -s pybamm-requires
 
       - name: Run integration tests for ${{ matrix.os }} with Python ${{ matrix.python-version }}
-        run: pipx run nox -s integration
+        run: python -m nox -s integration
 
 # Runs only on Ubuntu with Python 3.11. Skips IDAKLU module compilation
 # for speedups, which is already tested in other jobs.
@@ -286,10 +286,10 @@ jobs:
           pip install --upgrade pip wheel setuptools
 
       - name: Install docs dependencies and run doctests for GNU/Linux with Python 3.11
-        run: pipx run nox -s doctests
+        run: python -m nox -s doctests
 
       - name: Check if the documentation can be built for GNU/Linux with Python 3.11
-        run: pipx run nox -s docs
+        run: python -m nox -s docs
 
   # Runs only on Ubuntu with Python 3.11
   run_example_tests:
@@ -341,10 +341,10 @@ jobs:
           key: nox-pybamm-requires-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/install_KLU_Sundials.py') }}
 
       - name: Install SuiteSparse and SUNDIALS on GNU/Linux
-        run: pipx run nox -s pybamm-requires
+        run: python -m nox -s pybamm-requires
 
       - name: Install dev dependencies and run example tests for GNU/Linux with Python 3.11
-        run: pipx run nox -s examples
+        run: python -m nox -s examples
 
   # Runs only on Ubuntu with Python 3.11
   run_scripts_tests:
@@ -396,7 +396,7 @@ jobs:
           key: nox-pybamm-requires-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/install_KLU_Sundials.py') }}
 
       - name: Install SuiteSparse and SUNDIALS on GNU/Linux
-        run: pipx run nox -s pybamm-requires
+        run: python -m nox -s pybamm-requires
 
       - name: Install dev dependencies and run example scripts tests for GNU/Linux with Python 3.11
-        run: pipx run nox -s scripts
+        run: python -m nox -s scripts