diff --git a/laborious/worker/worker.py b/laborious/worker/worker.py
index 8f98624..35fe543 100644
--- a/laborious/worker/worker.py
+++ b/laborious/worker/worker.py
@@ -37,9 +37,9 @@ async def main():
     postgres_config = {
         'host': os.getenv('POSTGRES_HOST', 'localhost'),
         'port': int(os.getenv('POSTGRES_PORT', '5432')),
-        'user': os.getenv('POSTGRES_USER', 'postgres'),
-        'password': os.getenv('POSTGRES_PASSWORD', 'postgres'),
-        'dbname': os.getenv('POSTGRES_DBNAME', 'postgres'),
+        'user': os.getenv('POSTGRES_USER', 'sientia'),
+        'password': os.getenv('POSTGRES_PASSWORD', 'sientia'),
+        'dbname': os.getenv('POSTGRES_DBNAME', 'sientia'),
         'min_connections': int(os.getenv('POSTGRES_MIN_CONNECTIONS', '5')),
         'max_connections': int(os.getenv('POSTGRES_MAX_CONNECTIONS', '20'))
     }