diff --git a/.github/workflows/deploy_wiki_mkdocs.yml b/.github/workflows/deploy_wiki_mkdocs.yml
index ee447ec5..cf8faa0a 100644
--- a/.github/workflows/deploy_wiki_mkdocs.yml
+++ b/.github/workflows/deploy_wiki_mkdocs.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v4