diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index a034b73..3c6adfb 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -13,6 +13,6 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: cagix/pandoc-lecture@master
       - run: cd filters/test && make test