diff --git a/.github/workflows/deploy_sphinx_docs.yml b/.github/workflows/deploy_sphinx_docs.yml
index bc0ba471..993d2c4f 100644
--- a/.github/workflows/deploy_sphinx_docs.yml
+++ b/.github/workflows/deploy_sphinx_docs.yml
@@ -16,9 +16,9 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v4
     - name: Setup Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@master
       with:
-        python_version: '3.10'
+        python-version: '3.10'
     - name: Choose which pandoc to use
       shell: bash
       run: |