diff --git a/.github/workflows/link-check.yml b/.github/workflows/link-check.yml
index 0806358..24fe6e6 100644
--- a/.github/workflows/link-check.yml
+++ b/.github/workflows/link-check.yml
@@ -16,7 +16,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: lycheeverse/lychee-action@v2
         with:
diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index 8f3d355..dd791aa 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -13,7 +13,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: DavidAnson/markdownlint-cli2-action@v19
         with:
diff --git a/.github/workflows/validate-skills.yml b/.github/workflows/validate-skills.yml
index e62efe8..7e127b5 100644
--- a/.github/workflows/validate-skills.yml
+++ b/.github/workflows/validate-skills.yml
@@ -30,7 +30,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Validate skills and bundled fixtures
         run: bash .github/scripts/validate-skills.sh