diff --git a/.github/workflows/mkdocs.yml b/.github/workflows/mkdocs.yml
index 1968960..5266659 100644
--- a/.github/workflows/mkdocs.yml
+++ b/.github/workflows/mkdocs.yml
@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: 3.x
+          python-version: "3.13"
       - uses: actions/cache@v4
         with:
           key: mkdocs-${{ github.ref }}