diff --git a/src/cluster-regional.tf b/src/cluster-regional.tf
index f40c025..1464f14 100644
--- a/src/cluster-regional.tf
+++ b/src/cluster-regional.tf
@@ -5,7 +5,7 @@
 # https://www.terraform.io/docs/providers/aws/r/rds_cluster.html
 module "aurora_postgres_cluster" {
   source  = "cloudposse/rds-cluster/aws"
-  version = "2.1.1"
+  version = "2.2.0"
 
   cluster_type   = "regional"
   engine         = var.engine