diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index ee51614..4f8b045 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -17,6 +17,7 @@ env:
   REGISTRY: ghcr.io
   # github.repository as <account>/<repo>
   IMAGE_NAME: ${{ github.repository }}
+  PLATFORMS: linux/amd64,linux/arm64
 
 
 jobs:
@@ -48,7 +49,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3.0.0
         with:
-          platforms: linux/amd64,linux/arm64
+          platforms: ${{ env.PLATFORMS }}
 
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action
@@ -82,6 +83,7 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          platforms: ${{ env.PLATFORMS }}
           cache-from: type=gha
           cache-to: type=gha,mode=max