diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f873b99a..164f1e40 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -75,7 +75,7 @@ jobs:
       - name: Run PyRS tests
         run: |
           conda activate PyRS
-          xvfb-run --server-args="-screen 0 640x480x24" -a pytest --cov=pyrs --cov-report=xml --cov-report=term tests
+          xvfb-run --server-args="-screen 0 640x480x24" -a python -m pytest --cov=pyrs --cov-report=xml --cov-report=term tests
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v1
diff --git a/environment.yml b/environment.yml
index a78475b0..c994595a 100644
--- a/environment.yml
+++ b/environment.yml
@@ -7,10 +7,12 @@ dependencies:
 - anaconda-client
 - boa
 - mantidworkbench>=6.8.20231213
+- qtpy
 - pip
-- pytest=7.2.1
-- pytest-qt=4.2.0
-- pytest-cov=4.0.0
+- pyqt=5.15,<6
+- pytest
+- pytest-cov
+- pytest-qt
 - uncertainties
 - vtk
 - flake8