diff --git a/deploy/gitea-runner/config.yaml b/deploy/gitea-runner/config.yaml
index 1b88764..36db07a 100644
--- a/deploy/gitea-runner/config.yaml
+++ b/deploy/gitea-runner/config.yaml
@@ -17,6 +17,9 @@ container:
   # Use the locally built deploy/android-builder image rather than pulling from a registry.
   force_pull: false
   privileged: false
+  # Use Docker's default network instead of creating one per job: a server with many compose
+  # projects runs out of address pools ("all predefined address pools have been fully subnetted").
+  network: bridge
   # The volumes the workflow may mount (Gradle and npm caches), and nothing else.
   valid_volumes:
     - musicshare-gradle