diff --git a/.github/workflows/build-dockerfile.yml b/.github/workflows/build-dockerfile.yml
index f1ad224..a933180 100644
--- a/.github/workflows/build-dockerfile.yml
+++ b/.github/workflows/build-dockerfile.yml
@@ -22,13 +22,13 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         if: ${{ github.event_name != 'pull_request' }}
         with:
           ref: ${{ github.sha }}
 
       - name: Checkout (PR)
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         if: ${{ github.event_name == 'pull_request' }}
         with:
           ref: ${{ github.event.pull_request.head.sha }}
@@ -66,7 +66,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Generate tags
         id: generate-tags
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7eda356..a37216d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -128,7 +128,7 @@ jobs:
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Cache test datasets
         uses: actions/cache@v4