diff --git a/.github/workflows/ack.yml b/.github/workflows/ack.yml
index f5441f1..03a96e7 100644
--- a/.github/workflows/ack.yml
+++ b/.github/workflows/ack.yml
@@ -7,7 +7,7 @@ jobs:
   hi:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5.0.0
+    - uses: actions/checkout@v6.0.1
       with:
         # full log
         fetch-depth: 0
diff --git a/.github/workflows/validate-renovate-base-config.yml b/.github/workflows/validate-renovate-base-config.yml
index 78fd55c..be5a3b2 100644
--- a/.github/workflows/validate-renovate-base-config.yml
+++ b/.github/workflows/validate-renovate-base-config.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5.0.0
+      - uses: actions/checkout@v6.0.1
       - name: Run a one-line script
         run: |
           npm install -g renovate