diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 152cc78..e0fdeca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Check out
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/repo-size-guard.yml b/.github/workflows/repo-size-guard.yml
index 4d08111..a71406c 100644
--- a/.github/workflows/repo-size-guard.yml
+++ b/.github/workflows/repo-size-guard.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Check out
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 85b4012..ee5eb44 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           persist-credentials: false