diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7f29cb9..a48dfed 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     container: obolibrary/odklite
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - run: check-rdfxml gfo.owl
       # - run: check-rdfxml modules/gfo-core.ttl