diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 18982af..51a9980 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -44,6 +44,7 @@ jobs:
         pip install setuptools
         pip install twine
         pip install camelx
+        pip install pyyaml
         pip install pytest==8.2.2
         pip install pytest-runner==6.0.1
     - name: Test with pytest