diff --git a/.github/workflows/test-package.yml b/.github/workflows/test-package.yml
index 61aa4bd5d..485a436de 100644
--- a/.github/workflows/test-package.yml
+++ b/.github/workflows/test-package.yml
@@ -84,7 +84,7 @@ jobs:
 
     - name: Alter max connections
       run: |
-        docker ps
+        docker ps -q  --filter ancestor=postgres
         docker exec -i postgres bash << EOF
           sed -i -e 's/max_connections = 100/max_connections = 1000/' /var/lib/postgresql/data/postgresql.conf
           sed -i -e 's/shared_buffers = 128MB/shared_buffers = 512MB/' /var/lib/postgresql/data/postgresql.conf