diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index 6cf2c0f..204d865 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -75,15 +75,19 @@ jobs:
           registry: ${{ env.REGISTRY }}
           username: ${{ gitea.actor }}
           password: ${{ secrets.REGISTRY_TOKEN }}
+      # Plain `docker buildx build` instead of docker/build-push-action: that
+      # action's upstream repo (~260MB of git history) reliably hangs the
+      # act runner's Go-based clone on the Hostinger host, even when curl/git
+      # to github.com are both fast. Same end result, no action to clone.
       - name: Build and push (per architecture)
-        uses: docker/build-push-action@v7
-        with:
-          context: .
-          platforms: ${{ matrix.platform }}
-          push: true
-          tags: ${{ needs.plan.outputs.image }}:build-${{ gitea.sha }}-${{ matrix.arch }}
-          cache-from: type=registry,ref=${{ needs.plan.outputs.image }}:buildcache-${{ matrix.arch }}
-          cache-to: type=registry,ref=${{ needs.plan.outputs.image }}:buildcache-${{ matrix.arch }},mode=max
+        run: |
+          docker buildx build \
+            --platform "${{ matrix.platform }}" \
+            --push \
+            -t "${{ needs.plan.outputs.image }}:build-${{ gitea.sha }}-${{ matrix.arch }}" \
+            --cache-from "type=registry,ref=${{ needs.plan.outputs.image }}:buildcache-${{ matrix.arch }}" \
+            --cache-to "type=registry,ref=${{ needs.plan.outputs.image }}:buildcache-${{ matrix.arch }},mode=max" \
+            .
       # Runs the image that was just pushed, on its own architecture.
       - name: Smoke test
         run: scripts/smoke-image.sh "${{ needs.plan.outputs.image }}:build-${{ gitea.sha }}-${{ matrix.arch }}"