diff --git a/backend/address2UPRN/README.md b/backend/address2UPRN/README.md
index 646fec01..b17b36d1 100644
--- a/backend/address2UPRN/README.md
+++ b/backend/address2UPRN/README.md
@@ -32,9 +32,9 @@ Step 3) Alright, now lets make the input for postcode-splitter sqs to get the ba
 postcode-splitter-sqs => https://eu-west-2.console.aws.amazon.com/sqs/v3/home?region=eu-west-2#/queues/https%3A%2F%2Fsqs.eu-west-2.amazonaws.com%2F337213553626%2Fpostcode-splitter-queue-dev
 
 {
-    "task_id": "ea615ac3-ac28-46c4-8bff-2431c5b9c13d",
-    "sub_task_id": "85a23b67-8f18-4299-9bf0-69bfb87adbc7",
-    "s3_uri": "s3://retrofit-data-dev/ara_raw_inputs/eon/eon(Sheet1).csv"
+    "sub_task_id": "c5afbd49-f0cd-4930-82bf-bafc5243a34a",
+    "task_id": "67a4b3f0-cc7a-4e8a-b314-deb783e0eedb",
+    "s3_uri": "s3://retrofit-data-dev/ara_raw_inputs/eon/pickering ferens/Pickering  Ferens - SHDF W3 Post Bid Stage MDS - Template - Vr4(in).csv"
 }
 
 Each batch of csv should be saved in retrofit-data-dev/ara_postcode_splitter_batches/<task-id>/<sub-task-id>/<timestamp:uuid4>.csv
diff --git a/infrastructure/terraform/lambda/_template/variables.tf b/infrastructure/terraform/lambda/_template/variables.tf
index ae588840..0a3092ee 100644
--- a/infrastructure/terraform/lambda/_template/variables.tf
+++ b/infrastructure/terraform/lambda/_template/variables.tf
@@ -19,7 +19,7 @@ variable "image_digest" {
 
 variable "maximum_concurrency" {
   type        = number
-  default     = null
+  default     = 2
   description = "Maximum number of concurrent Lambda invocations from SQS (2-1000). null = no limit."
 }
 
diff --git a/infrastructure/terraform/lambda/hubspot_deal_etl/variables.tf b/infrastructure/terraform/lambda/hubspot_deal_etl/variables.tf
index 285b6a4c..84f0e567 100644
--- a/infrastructure/terraform/lambda/hubspot_deal_etl/variables.tf
+++ b/infrastructure/terraform/lambda/hubspot_deal_etl/variables.tf
@@ -19,13 +19,13 @@ variable "image_digest" {
 
 variable "maximum_concurrency" {
   type        = number
-  default     = null
+  default     = 2
   description = "Maximum number of concurrent Lambda invocations from SQS (2-1000). null = no limit."
 }
 
 variable "batch_size" {
   type    = number
-  default = 1
+  default = 5
 }
 
 locals {