diff --git a/.github/workflows/update_python_test.yml b/.github/workflows/update_python_test.yml
index 1a9b3d3c..90a2bba3 100644
--- a/.github/workflows/update_python_test.yml
+++ b/.github/workflows/update_python_test.yml
@@ -14,7 +14,7 @@ jobs:
         with:
           python-version: 3.9
       - name: Install
-        run: pip install --upgrade requests yaml
+        run: pip install --upgrade requests pyyaml
       - name: Scan for new python versions
         run: python ci/update_python_test_versions.py
       - name: Format results