diff --git a/terraform/020-database/main.tf b/terraform/020-database/main.tf
index 5e314f3..613b70d 100644
--- a/terraform/020-database/main.tf
+++ b/terraform/020-database/main.tf
@@ -8,7 +8,7 @@ resource "random_id" "db_root_pass" {
 }
 
 module "rds" {
-  source                  = "github.com/silinternational/terraform-modules//aws/rds/mariadb?ref=8.7.0"
+  source                  = "github.com/silinternational/terraform-modules//aws/rds/mariadb?ref=8.8.0"
   app_name                = var.app_name
   app_env                 = var.app_env
   db_name                 = var.db_name
@@ -26,6 +26,7 @@ module "rds" {
   multi_az                = var.multi_az
   skip_final_snapshot     = var.skip_final_snapshot
   replicate_source_db     = var.replicate_source_db
+  ca_cert_identifier      = var.ca_cert_identifier
 }
 
 /*
diff --git a/terraform/020-database/vars.tf b/terraform/020-database/vars.tf
index eae87cc..15709a5 100644
--- a/terraform/020-database/vars.tf
+++ b/terraform/020-database/vars.tf
@@ -81,3 +81,8 @@ variable "replicate_source_db" {
   description = "To create a replica DB in a separate region, specify the source database ARN"
   default     = null
 }
+
+variable "ca_cert_identifier" {
+  type    = string
+  default = "rds-ca-rsa2048-g1"
+}