diff --git a/modules/internal/rds/main.tf b/modules/internal/rds/main.tf
index 75d8852..e24506f 100644
--- a/modules/internal/rds/main.tf
+++ b/modules/internal/rds/main.tf
@@ -33,21 +33,22 @@ resource "aws_db_subnet_group" "this" {
 
 # RDS instance
 resource "aws_db_instance" "this" {
-  identifier              = "${terraform.workspace}-rds"
-  db_name                 = var.rds_db_name
-  username                = var.rds_username
-  password                = var.rds_password
-  port                    = var.port
-  engine                  = var.engine
-  engine_version          = var.engine_version
-  instance_class          = var.rds_instance_class
-  allocated_storage       = "20"
-  storage_encrypted       = false
-  vpc_security_group_ids  = [aws_security_group.this.id]
-  db_subnet_group_name    = aws_db_subnet_group.this.name
-  multi_az                = false
-  storage_type            = "gp2"
-  publicly_accessible     = false
-  backup_retention_period = 7
-  skip_final_snapshot     = true
+  identifier                 = "${terraform.workspace}-rds"
+  db_name                    = var.rds_db_name
+  username                   = var.rds_username
+  password                   = var.rds_password
+  port                       = var.port
+  engine                     = var.engine
+  engine_version             = var.engine_version
+  instance_class             = var.rds_instance_class
+  allocated_storage          = "20"
+  storage_encrypted          = false
+  vpc_security_group_ids     = [aws_security_group.this.id]
+  db_subnet_group_name       = aws_db_subnet_group.this.name
+  multi_az                   = false
+  storage_type               = "gp2"
+  publicly_accessible        = false
+  backup_retention_period    = 7
+  skip_final_snapshot        = true
+  auto_minor_version_upgrade = false
 }