diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 8230e84..1d730ec 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
 
       - name: Download actionlint
         id: get_actionlint
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index c0f514e..68f3d3f 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -21,7 +21,7 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
-      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
       - uses: subosito/flutter-action@1a449444c387b1966244ae4d4f8c696479add0b2  # v2
         with:
           flutter-version: 3.44.0
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 89346e5..4aa5546 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -32,7 +32,7 @@ jobs:
     timeout-minutes: 20
     steps:
       - name: Checkout (full history needed by Scorecard)
-        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
         with:
           persist-credentials: false