diff --git a/services/terraform/modules/shared/opensearch.tf b/services/terraform/modules/shared/opensearch.tf
index e9a4d8662..c0ca9ae97 100644
--- a/services/terraform/modules/shared/opensearch.tf
+++ b/services/terraform/modules/shared/opensearch.tf
@@ -1,54 +1,54 @@
 variable "domain" {
   default = "identity-search-domain"
 }
 
 resource "aws_security_group" "identity-search" {
   count       = var.is_dev ? 0 : 1
   name        = "${var.vpc_id}-opensearch-service-${var.domain}"
   description = "Managed by Terraform"
   vpc_id      = var.is_dev ? null : var.vpc_id
 
   ingress {
     from_port = 443
     to_port   = 443
     protocol  = "tcp"
 
     cidr_blocks = [
       var.cidr_block
     ]
   }
 
   tags = {
     Name        = "${var.vpc_id}-opensearch-service-${var.domain}"
     Environment = var.is_dev ? "development" : "production"
   }
 }
 
 resource "aws_opensearch_domain" "identity-search" {
   domain_name    = var.domain
   engine_version = "OpenSearch_1.0"
 
   cluster_config {
-    instance_type = "t3.medium.search"
+    instance_type = "t3.small.search"
   }
 
   vpc_options {
     subnet_ids = var.subnet_ids
 
     security_group_ids = var.is_dev ? [] : [aws_security_group.identity-search[0].id]
   }
 
   advanced_options = {
     "rest.action.multi.allow_explicit_index" = "true"
   }
 
   ebs_options {
     ebs_enabled = true
     volume_size = 10
   }
 
   tags = {
     Name        = var.domain
     Environment = var.is_dev ? "development" : "production"
   }
 }