diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 653219a..64cbdf7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     name: Example Diagrams
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: install nightly
       run: |
         rustup set profile minimal