diff --git a/.github/workflows/install_and_test.yml b/.github/workflows/install_and_test.yml
index ef2ce4b2d6..e1b32b0e82 100644
--- a/.github/workflows/install_and_test.yml
+++ b/.github/workflows/install_and_test.yml
@@ -287,7 +287,7 @@ jobs:
       - name: Setup python
         uses: actions/setup-python@v5.0.0
         with:
-          python-version: '3.9.20'
+          python-version: '3.9.13'
       - name: Conda Install OSX
         run: |-
           curl -o ~/miniconda.sh -O https://repo.anaconda.com/miniconda/Miniconda3-py310_24.1.2-0-MacOSX-arm64.sh