diff --git a/.github/workflows/cgatapps_python.yml b/.github/workflows/cgatapps_python.yml
index 9e77c81d..fc36a48d 100644
--- a/.github/workflows/cgatapps_python.yml
+++ b/.github/workflows/cgatapps_python.yml
@@ -48,7 +48,7 @@ jobs:
       - name: Test
         run: |
           pip install -e .
-          pip install nose
-          nosetests -v tests/test_style.py
-          nosetests -v tests/test_scripts.py
-          nosetests -v tests/test_import.py
+          pip install pytest
+          pytest -v tests/test_style.py
+          pytest -v tests/test_scripts.py
+          pytest -v tests/test_import.py
diff --git a/conda/environments/cgat-apps.yml b/conda/environments/cgat-apps.yml
index d6e93af1..1bf34e6a 100644
--- a/conda/environments/cgat-apps.yml
+++ b/conda/environments/cgat-apps.yml
@@ -17,7 +17,7 @@ dependencies:
 - cython
 - cgatcore
 - matplotlib
-- nose
+- pytest
 - numpy
 - pandas
 - pep8