diff --git a/.github/workflows/definition-of-done.yml b/.github/workflows/definition-of-done.yml
index c9f8271..7213d61 100644
--- a/.github/workflows/definition-of-done.yml
+++ b/.github/workflows/definition-of-done.yml
@@ -22,7 +22,7 @@ jobs:
     name: Lint — no mocks in runtime-e2e/
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Run lint
         run: |
           if [ -x scripts/lint-no-mocks-in-runtime-e2e.sh ]; then
@@ -35,7 +35,7 @@ jobs:
     name: Runtime E2E required for user-facing changes
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0