diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
index 3c2c272..995e1cd 100644
--- a/.gitea/workflows/release.yml
+++ b/.gitea/workflows/release.yml
@@ -66,6 +66,11 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
+      # The only runner is arm64; linux/amd64 is built under QEMU emulation
+      # (label linux-amd64 points at the same runner), so it is slower.
+      - uses: docker/setup-qemu-action@v3
+        if: matrix.arch == 'amd64'
+
       - uses: docker/setup-buildx-action@v4
 
       - name: Autentica no registro