diff --git a/.github/workflows/automerge.yml b/.github/workflows/automerge.yml
index 728f6b0..397d5bb 100644
--- a/.github/workflows/automerge.yml
+++ b/.github/workflows/automerge.yml
@@ -8,5 +8,5 @@ jobs:
     secrets:
       GITHUB: ${{ secrets.GITHUB }}
     with:
-      tfcheck: 'domain-cdn / Evaluate Terraform versions (1.6.1, ./_example/domain-cdn/)'
+      tfcheck: 'bucket-basic / Check code format'
 ...
diff --git a/_example/bucket-basic/versions.tf b/_example/bucket-basic/versions.tf
index 17ccb11..7c8e3b6 100644
--- a/_example/bucket-basic/versions.tf
+++ b/_example/bucket-basic/versions.tf
@@ -1,11 +1,11 @@
 # Terraform version
 terraform {
-  required_version = ">= 1.6.1"
+  required_version = ">= 1.6.6"
 
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 5.21.0"
+      version = ">= 5.31.0"
     }
   }
 }
diff --git a/_example/bucket-secure/versions.tf b/_example/bucket-secure/versions.tf
index 17ccb11..7c8e3b6 100644
--- a/_example/bucket-secure/versions.tf
+++ b/_example/bucket-secure/versions.tf
@@ -1,11 +1,11 @@
 # Terraform version
 terraform {
-  required_version = ">= 1.6.1"
+  required_version = ">= 1.6.6"
 
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 5.21.0"
+      version = ">= 5.31.0"
     }
   }
 }
diff --git a/_example/domain-cdn/versions.tf b/_example/domain-cdn/versions.tf
index 17ccb11..7c8e3b6 100644
--- a/_example/domain-cdn/versions.tf
+++ b/_example/domain-cdn/versions.tf
@@ -1,11 +1,11 @@
 # Terraform version
 terraform {
-  required_version = ">= 1.6.1"
+  required_version = ">= 1.6.6"
 
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 5.21.0"
+      version = ">= 5.31.0"
     }
   }
 }
diff --git a/versions.tf b/versions.tf
index 17ccb11..7c8e3b6 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,11 +1,11 @@
 # Terraform version
 terraform {
-  required_version = ">= 1.6.1"
+  required_version = ">= 1.6.6"
 
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = ">= 5.21.0"
+      version = ">= 5.31.0"
     }
   }
 }