diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 6b9e9cc..1d08f68 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -11,10 +11,10 @@ jobs:
       IMAGENAME: ${{ github.event.repository.name }}
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       name: Check out code
     - name: Docker build
-      uses: mr-smithers-excellent/docker-build-push@v6
+      uses: mr-smithers-excellent/docker-build-push@v6.3
       id: build
       with:
         image: ${{ env.IMAGENAME }}