diff --git a/.github/workflows/publish_docs.yml b/.github/workflows/publish_docs.yml
index 2d202e6..44a503f 100644
--- a/.github/workflows/publish_docs.yml
+++ b/.github/workflows/publish_docs.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout main
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Deploy docs
         uses: mhausenblas/mkdocs-deploy-gh-pages@master