diff --git a/.gitea/workflows/docker-build.yml b/.gitea/workflows/docker-build.yml
index b0af101..b22e0cf 100644
--- a/.gitea/workflows/docker-build.yml
+++ b/.gitea/workflows/docker-build.yml
@@ -39,3 +39,7 @@ jobs:
              docker compose --progress plain down portal-api portal-api-nginx && \
              docker compose --progress plain up -d portal-api portal-api-nginx && \
              docker compose exec portal-api python manage.py migrate"
+
+      - name: Clean up dangling images
+        if: github.event_name != 'pull_request'
+        run: ssh root@10.0.1.5 -t "docker image prune -f"