diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index fd1973a..7e55595 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -32,12 +32,15 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
       - name: build Docker image & push to Docker Hub
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v3
         with:
           push: true
           tags: |
             derhuerst/db-rest:6
             derhuerst/db-rest:latest
+          # https://docs.docker.com/build/ci/github-actions/examples/#github-cache
+          cache-from: type=gha
+          cache-to: type=gha,mode=max,oci-mediatypes=true,compression=zstd
 
       # this is for the public-transport/infrastructure cluster
       - name: log in to GitHub Container Registry
@@ -53,7 +56,10 @@ jobs:
         id: datetime
         run: echo "::set-output name=datetime::$(date -u +'%Y-%m-%dT%H.%M.%SZ')"
       - name: push Docker image to GitHub Registry
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v3
         with:
           push: true
           tags: ghcr.io/${{github.repository}}:v6_${{steps.hash.outputs.hash}}_${{steps.datetime.outputs.datetime}}
+          # https://docs.docker.com/build/ci/github-actions/examples/#github-cache
+          cache-from: type=gha
+          cache-to: type=gha,mode=max,oci-mediatypes=true,compression=zstd