diff --git a/main.tf b/main.tf
index e31c45f..eb40537 100644
--- a/main.tf
+++ b/main.tf
@@ -245,6 +245,8 @@ resource "aws_rds_cluster" "default" {
   db_cluster_parameter_group_name = var.db_cluster_parameter_group_name
   deletion_protection             = var.deletion_protection
   allow_major_version_upgrade     = var.allow_major_version_upgrade
+
+  tags = var.additional_tags
 }
 
 // Geneate an ID when an environment is initialised
diff --git a/variables.tf b/variables.tf
index a77037a..1b4614d 100644
--- a/variables.tf
+++ b/variables.tf
@@ -242,3 +242,8 @@ variable "allow_major_version_upgrade" {
   description = "Whether to allow major version upgrades"
 }
 
+variable "additional_tags" {
+  default     = {}
+  description = "Additional db cluster tags"
+  type        = map(string)
+}
\ No newline at end of file