diff --git a/.gitleaksignore b/.gitleaksignore
new file mode 100644
index 0000000..2917689
--- /dev/null
+++ b/.gitleaksignore
@@ -0,0 +1,7 @@
+52e900238a8bca26dce279e1b4aa1b7dce4f0c63:examples/minimal/main.tf:hashicorp-tf-password:9
+1c474b52189a6e0831aa4f36dc92e5ede87d14b4:examples/main.tf:hashicorp-tf-password:8
+19847020da6da51478baace657ff5852b34f1711:README.md:hashicorp-tf-password:15
+1c474b52189a6e0831aa4f36dc92e5ede87d14b4:README.md:hashicorp-tf-password:16
+70bbc0ae4eaba5cfcf35c24d8c31940434433dcb:README.md:hashicorp-tf-password:16
+d030414b250acc4220c98e3f37d4ed3c1bd567d3:test_examples/minimal/local.tfvars:hashicorp-tf-password:6
+1e25f16a3fea75fd93e220e9337c264528086482:examples/test_minimal/local.tfvars:hashicorp-tf-password:6
diff --git a/variables.tf b/variables.tf
index 91c3991..203cab5 100644
--- a/variables.tf
+++ b/variables.tf
@@ -66,7 +66,7 @@ variable "storage_type" {
 variable "instance_class" {
   description = "Instance class"
   type        = string
-  default     = "db.m4.large"
+  default     = "db.m5.large"
 }
 
 variable "maintenance_window" {