diff --git a/.github/workflows/build-image.yaml b/.github/workflows/build-image.yaml
index 7e5acda..53e9714 100644
--- a/.github/workflows/build-image.yaml
+++ b/.github/workflows/build-image.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/publish-website.yaml b/.github/workflows/publish-website.yaml
index ad7cc6c..48687ac 100644
--- a/.github/workflows/publish-website.yaml
+++ b/.github/workflows/publish-website.yaml
@@ -18,7 +18,7 @@ jobs:
     steps:
 
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Quarto
         uses: quarto-dev/quarto-actions/setup@v2
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index c0a982f..f0d6e65 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
         - name: Checkout
-          uses: actions/checkout@v4
+          uses: actions/checkout@v6
           with:
             fetch-depth: 0