diff --git a/homeassistant/components/swiss_public_transport/quality_scale.yaml b/homeassistant/components/swiss_public_transport/quality_scale.yaml
index 0329f9c8fab..d784358b9ba 100644
--- a/homeassistant/components/swiss_public_transport/quality_scale.yaml
+++ b/homeassistant/components/swiss_public_transport/quality_scale.yaml
@@ -37,7 +37,7 @@ rules:
   reauthentication-flow:
     status: exempt
     comment: No authentication needed
-  parallel-updates: todo
+  parallel-updates: done
   test-coverage: todo
   integration-owner: done
   docs-installation-parameters: todo
diff --git a/homeassistant/components/swiss_public_transport/sensor.py b/homeassistant/components/swiss_public_transport/sensor.py
index 452ec31972f..a0131938a37 100644
--- a/homeassistant/components/swiss_public_transport/sensor.py
+++ b/homeassistant/components/swiss_public_transport/sensor.py
@@ -27,6 +27,8 @@ from .coordinator import (
     SwissPublicTransportDataUpdateCoordinator,
 )
 
+PARALLEL_UPDATES = 0
+
 _LOGGER = logging.getLogger(__name__)
 
 SCAN_INTERVAL = timedelta(seconds=90)