diff --git a/.forgejo/workflows/production.yaml b/.forgejo/workflows/production.yaml
index f1cf862c..93117f5c 100644
--- a/.forgejo/workflows/production.yaml
+++ b/.forgejo/workflows/production.yaml
@@ -109,8 +109,9 @@ jobs:
         run: |
           IMAGE_TAG="${{ steps.tag.outputs.tag }}"
 
-          # Build image with Podman (rootless, works on unprivileged runners)
+          # Build with chroot isolation (no namespaces required)
           podman build \
+            --isolation=chroot \
             --build-arg MIX_ENV=prod \
             --file k8s/Dockerfile \
             --tag "${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${IMAGE_TAG}" \