diff --git a/.github/workflows/mkdocs.yml b/.github/workflows/mkdocs.yml
index 04f4617..b270f76 100644
--- a/.github/workflows/mkdocs.yml
+++ b/.github/workflows/mkdocs.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Deploy docs
         uses: mhausenblas/mkdocs-deploy-gh-pages@master
diff --git a/.github/workflows/publish-devcontainer.yml b/.github/workflows/publish-devcontainer.yml
index 2092e02..59d8e65 100644
--- a/.github/workflows/publish-devcontainer.yml
+++ b/.github/workflows/publish-devcontainer.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Docker Login to GitHub Container Registry
         uses: docker/login-action@v2