diff --git a/.github/workflows/publishdocs.yaml b/.github/workflows/publishdocs.yaml
index ba3f2f0..be8aebc 100644
--- a/.github/workflows/publishdocs.yaml
+++ b/.github/workflows/publishdocs.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout master
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Deploy docs
       uses: mhausenblas/mkdocs-deploy-gh-pages@master
diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index bff7a05..4e61bfb 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -16,11 +16,11 @@ jobs:
   codespell:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: codespell-project/actions-codespell@master
 
   markdown-link-check:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: gaurav-nelson/github-action-markdown-link-check@v1