diff --git a/modules/aws-backup-source/backup_report_plan.tf b/modules/aws-backup-source/backup_report_plan.tf
index e0dc2b6..a8033fe 100644
--- a/modules/aws-backup-source/backup_report_plan.tf
+++ b/modules/aws-backup-source/backup_report_plan.tf
@@ -1,6 +1,6 @@
 # Create the reports
 resource "aws_backup_report_plan" "backup_jobs" {
-  name        = "${local.resource_name_prefix}_backup_jobs"
+  name        = replace("${local.resource_name_prefix}_backup_jobs", "-", "_")
   description = "Report for showing whether backups ran successfully in the last 24 hours"
 
   report_delivery_channel {
@@ -18,7 +18,7 @@ resource "aws_backup_report_plan" "backup_jobs" {
 
 # Create the restore testing completion reports
 resource "aws_backup_report_plan" "backup_restore_testing_jobs" {
-  name        = "${local.resource_name_prefix}_backup_restore_testing_jobs"
+  name        = replace("${local.resource_name_prefix}_backup_restore_testing_jobs", "-", "_")
   description = "Report for showing whether backup restore test ran successfully in the last 24 hours"
 
   report_delivery_channel {
@@ -35,7 +35,7 @@ resource "aws_backup_report_plan" "backup_restore_testing_jobs" {
 }
 
 resource "aws_backup_report_plan" "resource_compliance" {
-  name        = "${local.resource_name_prefix}_resource_compliance"
+  name        = replace("${local.resource_name_prefix}_resource_compliance", "-", "_")
   description = "Report for showing whether resources are compliant with the framework"
 
   report_delivery_channel {
@@ -55,7 +55,7 @@ resource "aws_backup_report_plan" "resource_compliance" {
 
 resource "aws_backup_report_plan" "copy_jobs" {
   count       = var.backup_copy_vault_arn != "" && var.backup_copy_vault_account_id != "" ? 1 : 0
-  name        = "${local.resource_name_prefix}_copy_jobs"
+  name        = replace("${local.resource_name_prefix}_copy_jobs", "-", "_")
   description = "Report for showing whether copies ran successfully in the last 24 hours"
 
   report_delivery_channel {
diff --git a/modules/aws-backup-source/versions.tf b/modules/aws-backup-source/versions.tf
index 35c69b8..f118921 100644
--- a/modules/aws-backup-source/versions.tf
+++ b/modules/aws-backup-source/versions.tf
@@ -16,5 +16,5 @@ terraform {
     }
   }
 
-  required_version = ">= 1.9.5"
+  required_version = ">= 1.4.0"
 }