diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7b349d5d5..7caa000e2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -57,7 +57,7 @@ jobs:
         name: Build and push Docker image
         uses: docker/build-push-action@5cd11c3a4ced054e52742c5fd54dca954e0edd85 # v6.7.0
         with:
-          context: .
+          file: 'test.Dockerfile'
           push: ${{ github.event_name != 'pull_request' && github.ref_name == github.event.repository.default_branch }}
           platforms: linux/amd64,linux/arm64
           tags: ${{ steps.test-meta.outputs.tags }}
diff --git a/test.Dockerfile b/test.Dockerfile
new file mode 100644
index 000000000..c35f1b5f5
--- /dev/null
+++ b/test.Dockerfile
@@ -0,0 +1 @@
+FROM scratch