diff --git a/.spacelift/config.yml b/.spacelift/config.yml
index e4bc0a968..eae14d053 100644
--- a/.spacelift/config.yml
+++ b/.spacelift/config.yml
@@ -1,3 +1,3 @@
 version: 1
 
-module_version: 0.3.1
+module_version: 0.3.2
diff --git a/tgw.tf b/tgw.tf
index 58424d9a2..6ae7b5244 100644
--- a/tgw.tf
+++ b/tgw.tf
@@ -149,7 +149,7 @@ resource "aws_ec2_transit_gateway_vpc_attachment" "tgw" {
   vpc_id             = local.vpc_id
 
   tags = merge(
-    { Name = "${var.name_prefix}-${var.short_aws_region}-tgw-att" }
+    { Name = "${var.name_prefix}-${var.short_aws_region}-tgw-att-${var.tgw_att_suffix}" }
   )
 }
 
diff --git a/variables.tf b/variables.tf
index 0683b9b08..6fb89a195 100644
--- a/variables.tf
+++ b/variables.tf
@@ -1766,6 +1766,12 @@ variable "tgw_subnet_suffix" {
   default     = "tgw"
 }
 
+variable "tgw_att_suffix" {
+  description = "Suffix to append to tgw attachment name"
+  type        = string
+  default     = "main"
+}
+
 variable "tgw_subnet_tags" {
   description = "Additional tags for the tgw subnets"
   type        = map(string)