diff --git a/postgres-appliance/tests/docker-compose.yml b/postgres-appliance/tests/docker-compose.yml
index ad2a74540..82035b9e0 100644
--- a/postgres-appliance/tests/docker-compose.yml
+++ b/postgres-appliance/tests/docker-compose.yml
@@ -46,6 +46,8 @@ services:
                   postgresql:
                     parameters:
                       wal_keep_segments: 8
+                      log_min_messages: debug5
+                      client_min_messages: debug5
               postgresql:
                 parameters:
                   shared_buffers: 32MB