diff --git a/.github/workflows/markdownlint.yml b/.github/workflows/markdownlint.yml
index a3b6813..3826dbf 100644
--- a/.github/workflows/markdownlint.yml
+++ b/.github/workflows/markdownlint.yml
@@ -14,7 +14,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Check out repository
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Lint Markdown
               uses: DavidAnson/markdownlint-cli2-action@v23
diff --git a/.github/workflows/secret-scan.yml b/.github/workflows/secret-scan.yml
index d66a210..be37149 100644
--- a/.github/workflows/secret-scan.yml
+++ b/.github/workflows/secret-scan.yml
@@ -14,7 +14,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Check out repository
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
               with:
                   fetch-depth: 0
 
diff --git a/.github/workflows/sync-labels.yml b/.github/workflows/sync-labels.yml
index 7127bd8..b6065b3 100644
--- a/.github/workflows/sync-labels.yml
+++ b/.github/workflows/sync-labels.yml
@@ -18,7 +18,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Check out repository
-              uses: actions/checkout@v4
+              uses: actions/checkout@v6
 
             - name: Sync label definitions
               uses: EndBug/label-sync@v2