diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5d3b788f7e..f62a84307c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -341,7 +341,7 @@ jobs:
       run: python3 -m pip install -U pip setuptools wheel
     - name: Install Python dependencies
       run: |
-        python3 -m pip install ruamel.yaml scons numpy h5py pandas;
+        python3 -m pip install ruamel.yaml scons numpy h5py pandas pytest pytest-github-actions-annotate-failures
         python3 -m pip install https://github.com/cython/cython/archive/master.zip --install-option='--no-cython-compile';
     - name: Build Cantera
       run: python3 `which scons` build blas_lapack_libs=lapack,blas python_package='full' -j2 debug=n