diff --git a/.github/workflows/pep8_nb_style_check.yml b/.github/workflows/pep8_nb_style_check.yml
index 732d8d76b..efad2e196 100644
--- a/.github/workflows/pep8_nb_style_check.yml
+++ b/.github/workflows/pep8_nb_style_check.yml
@@ -13,4 +13,4 @@ jobs:
   Notebook_PEP8_Check:
    uses: spacetelescope/notebook-ci-actions/.github/workflows/notebook_pep8check.yml@spb-1792
    with:
-      python-version: ${{ vars.PYTHON_VERSION }}
+      python-version: 3.11