diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f2ceb640..fae09df9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -45,9 +45,8 @@ jobs:
                   python-version: ${{ matrix.python-version }}
             - name: Install Python dependencies
               run: |
-                python -m pip install --no-cache-dir --upgrade pip setuptools wheel
-                python -m pip install --no-cache-dir pyyaml requests
-                python -m pip install --no-cache-dir scipy matplotlib healpy
+                python -m pip install --no-cache-dir --upgrade pip setuptools wheel pytest
+                python -m pip install --no-cache-dir pyyaml requests scipy matplotlib healpy
                 python -m pip install --no-cache-dir --upgrade "numpy${{ matrix.numpy-version }}"
                 python -m pip install --no-cache-dir --upgrade "astropy${{ matrix.astropy-version }}"
                 python -m pip install --no-cache-dir fitsio