diff --git a/.github/workflows/build_python_package.yml b/.github/workflows/build_python_package.yml
index 0e4e58a..b18288f 100644
--- a/.github/workflows/build_python_package.yml
+++ b/.github/workflows/build_python_package.yml
@@ -39,3 +39,7 @@ jobs:
         run: |
           python -m pip install dist/*.whl
           python -c "import pymirc; print('pymirc version:', pymirc.__version__)"
+          python -c "import pymirc.viewer"
+          python -c "import pymirc.fileio"
+          python -c "import pymirc.metrics"
+          python -c "import pymirc.image_operations"