diff --git a/.github/workflows/heroku-container.yml b/.github/workflows/heroku-container.yml
index 62f09b4..96de721 100644
--- a/.github/workflows/heroku-container.yml
+++ b/.github/workflows/heroku-container.yml
@@ -81,8 +81,6 @@ jobs:
           password: ${{ secrets.heroku-key }}
 
       - uses: docker/setup-buildx-action@bb05f3f5519dd87d3ba754cc423b652a5edd6d2c # v4.2.0
-        with:
-          driver-opts: image=moby/buildkit:v0.30.0
 
       - name: Build and push per target
         env:
@@ -112,11 +110,10 @@ jobs:
           for target in $TARGETS; do
             docker buildx build \
               --target "$target" \
-              --tag "registry.heroku.com/$APP/$target" \
+              --output "type=image,name=registry.heroku.com/$APP/$target,push=true,oci-mediatypes=false" \
               --cache-from type=gha \
               --cache-to type=gha,mode=max \
               --provenance=false \
-              --push \
               "${args[@]}" \
               "${secrets[@]}" \
               .