diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 5bbbbbe..d09408b 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -22,6 +22,6 @@
     runs-on: ubuntu-latest
     steps:
       - name: checkout source
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: build image
         run: docker build -t ghcr.io/$(echo $GITHUB_REPOSITORY | tr '[:upper:]' '[:lower:]' | sed 's/docker-//g') .