diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 10894d5..c879ab2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     - name: build and test
       run: dotnet test
       
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: auto-merge
         if: |
           github.actor == 'dependabot[bot]' &&
diff --git a/.github/workflows/markdown_snippets.yml b/.github/workflows/markdown_snippets.yml
index bbb287a..9e99cf4 100644
--- a/.github/workflows/markdown_snippets.yml
+++ b/.github/workflows/markdown_snippets.yml
@@ -8,7 +8,7 @@ jobs:
   update-markdown-snippets:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Run MarkdownSnippets
         run: |
           dotnet tool install --global MarkdownSnippets.Tool