diff --git a/.github/workflows/mkdocs.yml b/.github/workflows/mkdocs.yml
index 2ac3806e1..e3ef61b47 100644
--- a/.github/workflows/mkdocs.yml
+++ b/.github/workflows/mkdocs.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: '3.10'
 
       - name: Calculate requirements hash
         id: req-hash