diff --git a/docker-compose.yaml b/docker-compose.yaml
index fd99e1f..c1668b8 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -148,7 +148,7 @@ services:
       MQTT_BROKER_HOST: "mqtt"
       MQTT_BROKER_PORT: 1883
       MQTT_TOPIC: "processed_data_topic"
-      BATCH_SIZE: 20
+      BATCH_SIZE: 4
     ports:
       - "9000:8000"
     networks: