diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index b1ae3c2..6c982ef 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -34,7 +34,7 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: .
-          platforms: linux/arm/v7,linux/arm64,linux/amd64
+          platforms: linux/arm/v7,linux/arm64,linux/amd64,linux/s390x
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.docker_meta.outputs.tags }}
           labels: ${{ steps.docker_meta.outputs.labels }}
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