diff --git a/environments/production/terraform.yml b/environments/production/terraform.yml
index 295220f27c..043a53e3a5 100644
--- a/environments/production/terraform.yml
+++ b/environments/production/terraform.yml
@@ -113,7 +113,7 @@ servers:
     volume_encrypted: yes 
 
   - server_name: "es_a2{i}-production"
-    server_instance_type: r7i.2xlarge
+    server_instance_type: r7a.2xlarge
     network_tier: "db-private"
     az: "a"
     volume_size: 30