diff --git a/.github/workflows/csmock.yml b/.github/workflows/csmock.yml
index 40e88c0..f4a15b5 100644
--- a/.github/workflows/csmock.yml
+++ b/.github/workflows/csmock.yml
@@ -17,7 +17,7 @@ jobs:
       CI_CONTAINER: libbytesize-ci-csmock
     steps:
       - name: Checkout libbytesize repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install podman
         run: |