diff --git a/host.json b/host.json
index 315c5fce..82b69e16 100644
--- a/host.json
+++ b/host.json
@@ -11,6 +11,7 @@
     "queues": {
       "maxPollingInterval": "00:00:02",
       "visibilityTimeout": "00:00:30",
+      "batchSize": 32,
       "maxDequeueCount": 5,
       "messageEncoding": "none"
     }