diff --git a/aws/wordpress_fargate/db.tf b/aws/wordpress_fargate/db.tf
index c9b52a4..0d5ef4e 100644
--- a/aws/wordpress_fargate/db.tf
+++ b/aws/wordpress_fargate/db.tf
@@ -5,12 +5,12 @@ resource "random_string" "snapshot_suffix" {
 
 resource "aws_rds_cluster" "this" {
   cluster_identifier      = "${var.prefix}-${var.environment}"
-  engine                  = "aurora"
+  engine                  = "aurora-mysql"
   engine_mode             = "serverless"
   vpc_security_group_ids  = [aws_security_group.db.id]
   db_subnet_group_name    = aws_db_subnet_group.this.name
   engine_version          = var.db_engine_version
-  availability_zones      = data.aws_availability_zones.this.names
+  availability_zones      = slice(data.aws_availability_zones.this.names, 0, 3)
   database_name           = "wordpress"
   master_username         = var.db_master_username
   master_password         = var.db_master_password
diff --git a/aws/wordpress_fargate/variables.tf b/aws/wordpress_fargate/variables.tf
index e6b6913..27b0b8c 100644
--- a/aws/wordpress_fargate/variables.tf
+++ b/aws/wordpress_fargate/variables.tf
@@ -79,7 +79,7 @@ variable "db_master_password" {
 }
 variable "db_engine_version" {
   description = "The database engine version"
-  default     = "5.6.10a"
+  default     = "5.7.mysql_aurora.2.07.1"
 }
 variable "db_auto_pause" {
   description = "Whether to enable auto pause"