diff --git a/.github/workflows/mkdocs.yml b/.github/workflows/mkdocs.yml
index dcc22d2..60421c7 100644
--- a/.github/workflows/mkdocs.yml
+++ b/.github/workflows/mkdocs.yml
@@ -18,7 +18,7 @@ jobs:
           fetch-depth: 0
 
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: "3.x"