diff --git a/.github/workflows/build-pages.yml b/.github/workflows/build-pages.yml
index f86e2b9b..5d134c15 100644
--- a/.github/workflows/build-pages.yml
+++ b/.github/workflows/build-pages.yml
@@ -19,7 +19,7 @@ jobs:
     container: ghcr.io/oggm/oggm:latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Fix git permission check
         run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
       - name: Cache
diff --git a/.github/workflows/notebook-cleanliness.yml b/.github/workflows/notebook-cleanliness.yml
index 2657a518..7d636ca6 100644
--- a/.github/workflows/notebook-cleanliness.yml
+++ b/.github/workflows/notebook-cleanliness.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Set up Python
         uses: actions/setup-python@v5
         with: