diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7f3c53e..144d017 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -50,7 +50,7 @@ jobs:
 
     - name: Install python dependencies
       run: |
-        micromamba install -c conda-forge --file conda-requirements.txt python=${{ matrix.python-version }} corner coveralls numpy
+        micromamba install -c conda-forge --file conda-requirements.txt python=${{ matrix.python-version }} corner coveralls numpy pytest
         pip install git+https://github.com/JohannesBuchner/coverage-lcov
         #sed --in-place -e 's,"report_include",,g' -e 's,"report_omit",,g' /usr/share/miniconda/envs/*/lib/python*/site-packages/coverage_lcov/converter.py
         conda list
@@ -84,7 +84,7 @@ jobs:
       run: |
         # do not test pycuba, it is broken
         rm tests/pycuba_test.py
-        coverage run pytest
+        coverage run -m pytest
         coverage report
         coverage-lcov
         python pymultinest_demo_minimal.py