diff --git a/terraform/sandbox/main.tf b/terraform/sandbox/main.tf
index f194efdd4..34f6227d5 100644
--- a/terraform/sandbox/main.tf
+++ b/terraform/sandbox/main.tf
@@ -3,35 +3,32 @@ locals {
   cf_space_name    = "notify-sandbox"
   env              = "sandbox"
   app_name         = "notify-api"
-  recursive_delete = true
+  recursive_delete = true # deprecated, still used in shared modules
 }
 
 module "database" {
-  source = "github.com/18f/terraform-cloudgov//database?ref=v0.7.1"
+  source = "github.com/18f/terraform-cloudgov//database?ref=v1.0.0"
 
   cf_org_name      = local.cf_org_name
   cf_space_name    = local.cf_space_name
   name             = "${local.app_name}-rds-${local.env}"
-  recursive_delete = local.recursive_delete
   rds_plan_name    = "micro-psql"
 }
 
 module "redis" {
-  source = "github.com/18f/terraform-cloudgov//redis?ref=v0.9.1"
+  source = "github.com/18f/terraform-cloudgov//redis?ref=v1.0.0"
 
   cf_org_name      = local.cf_org_name
   cf_space_name    = local.cf_space_name
   name             = "${local.app_name}-redis-${local.env}"
-  recursive_delete = local.recursive_delete
   redis_plan_name  = "redis-dev"
 }
 
 module "csv_upload_bucket" {
-  source = "github.com/18f/terraform-cloudgov//s3?ref=v0.9.1"
+  source = "github.com/18f/terraform-cloudgov//s3?ref=v1.0.0"
 
   cf_org_name      = local.cf_org_name
   cf_space_name    = local.cf_space_name
-  recursive_delete = local.recursive_delete
   name             = "${local.app_name}-csv-upload-bucket-${local.env}"
 }