diff --git a/app/stacks/data-persistence/tfvars/prod.tfvars b/app/stacks/data-persistence/tfvars/prod.tfvars
index 95730c1..239e432 100644
--- a/app/stacks/data-persistence/tfvars/prod.tfvars
+++ b/app/stacks/data-persistence/tfvars/prod.tfvars
@@ -16,5 +16,6 @@ elasticsearch_config = {
   instance_count = 4
   instance_type  = "r5.large.elasticsearch"
   version        = "5.3"
+  volume_type    = "gp2"
   volume_size    = 500
 }