diff --git a/README.md b/README.md
index fb2fbb8..de1c588 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ module "bootstrap" {
 | Name | Description | Type | Default | Required |
 |------|-------------|------|---------|:--------:|
 | account\_alias | The desired AWS account alias. | `string` | n/a | yes |
-| log\_retention | Log retention of access logs of state bucket. | `number` | `731` | no |
+| log\_retention | Log retention of access logs of state bucket. | `number` | `90` | no |
 | region | AWS region. | `string` | n/a | yes |
 
 ## Outputs
diff --git a/variables.tf b/variables.tf
index 4c48661..668c67a 100644
--- a/variables.tf
+++ b/variables.tf
@@ -10,6 +10,6 @@ variable "account_alias" {
 
 variable "log_retention" {
   description = "Log retention of access logs of state bucket."
-  default     = 731
+  default     = 90
   type        = number
 }