diff --git a/.github/workflows/auto_assignee.yml b/.github/workflows/auto_assignee.yml
index a07d2fa..88ebb73 100644
--- a/.github/workflows/auto_assignee.yml
+++ b/.github/workflows/auto_assignee.yml
@@ -5,7 +5,7 @@ on:
   workflow_dispatch:
 jobs:
   assignee:
-    uses: clouddrove/github-shared-workflows/.github/workflows/auto_assignee.yml@master
+    uses: clouddrove/github-shared-workflows/.github/workflows/auto_assignee.yml@1.0.6
     secrets:
       GITHUB: ${{ secrets.GITHUB }}
     with:
diff --git a/.github/workflows/changelog.yml b/.github/workflows/changelog.yml
index 4b735f5..e4b9dd4 100644
--- a/.github/workflows/changelog.yml
+++ b/.github/workflows/changelog.yml
@@ -7,7 +7,7 @@ on:
   workflow_dispatch:
 jobs:
   changelog:
-    uses: clouddrove/github-shared-workflows/.github/workflows/changelog.yml@master
+    uses: clouddrove/github-shared-workflows/.github/workflows/changelog.yml@1.0.6
     secrets: inherit
     with:
       branch: 'master'
\ No newline at end of file
diff --git a/.github/workflows/readme.yml b/.github/workflows/readme.yml
index 2ff513e..afe4741 100644
--- a/.github/workflows/readme.yml
+++ b/.github/workflows/readme.yml
@@ -17,7 +17,7 @@ jobs:
           python-version: '3.x'
 
       - name: 'create readme'
-        uses: 'clouddrove/github-actions@v9.0.2'
+        uses: 'clouddrove/github-actions@9.0.3'
         with:
           actions_subcommand: 'readme'
           github_token: '${{ secrets.GITHUB }}'
@@ -34,7 +34,7 @@ jobs:
         continue-on-error: true
 
       - name: 'push readme'
-        uses: 'clouddrove/github-actions@v9.0.2'
+        uses: 'clouddrove/github-actions@9.0.3'
         continue-on-error: true
         with:
           actions_subcommand: 'push'
diff --git a/.github/workflows/tf-checks.yml b/.github/workflows/tf-checks.yml
index 902ad7c..50707ab 100644
--- a/.github/workflows/tf-checks.yml
+++ b/.github/workflows/tf-checks.yml
@@ -6,15 +6,15 @@ on:
   workflow_dispatch:
 jobs:
   tf-checks-generate-certificate-dns-example:
-    uses: clouddrove/github-shared-workflows/.github/workflows/tf-checks.yml@master
+    uses: clouddrove/github-shared-workflows/.github/workflows/tf-checks.yml@1.0.6
     with:
       working_directory: './_example/generate-certificate-dns/'
   tf-checks-generate-certificate-email-example:
-    uses: clouddrove/github-shared-workflows/.github/workflows/tf-checks.yml@master
+    uses: clouddrove/github-shared-workflows/.github/workflows/tf-checks.yml@1.0.6
     with:
       working_directory: './_example/generate-certificate-email/'
   tf-checks-import-certificate-example:
-    uses: clouddrove/github-shared-workflows/.github/workflows/tf-checks.yml@master
+    uses: clouddrove/github-shared-workflows/.github/workflows/tf-checks.yml@1.0.6
     with:
       working_directory: './_example/import-certificate/'
 
diff --git a/.github/workflows/tflint.yml b/.github/workflows/tflint.yml
index ee98182..40a35b2 100644
--- a/.github/workflows/tflint.yml
+++ b/.github/workflows/tflint.yml
@@ -6,6 +6,6 @@ on:
   workflow_dispatch:
 jobs:
   tf-lint:
-    uses: clouddrove/github-shared-workflows/.github/workflows/tf-lint.yml@master
+    uses: clouddrove/github-shared-workflows/.github/workflows/tf-lint.yml@1.0.6
     secrets:
       GITHUB: ${{ secrets.GITHUB }}
\ No newline at end of file
diff --git a/.github/workflows/tfsec.yml b/.github/workflows/tfsec.yml
index 9aaf588..cf75492 100644
--- a/.github/workflows/tfsec.yml
+++ b/.github/workflows/tfsec.yml
@@ -5,7 +5,7 @@ on:
   workflow_dispatch:
 jobs:
   tfsec:
-    uses: clouddrove/github-shared-workflows/.github/workflows/tfsec.yml@master
+    uses: clouddrove/github-shared-workflows/.github/workflows/tfsec.yml@1.0.6
     secrets: inherit
     with:
       working_directory: '.'
\ No newline at end of file
diff --git a/_example/generate-certificate-dns/example.tf b/_example/generate-certificate-dns/example.tf
index 79b4723..9f38d4b 100644
--- a/_example/generate-certificate-dns/example.tf
+++ b/_example/generate-certificate-dns/example.tf
@@ -2,6 +2,10 @@ provider "aws" {
   region = "eu-west-1"
 }
 
+locals {
+  domain = "clouddrove.com"
+}
+
 ##-----------------------------------------------------------------------------
 ## acm Module call with DNS.
 ##-----------------------------------------------------------------------------
@@ -12,7 +16,5 @@ module "acm" {
   environment = "test"
 
   domain_name               = "clouddrove.com"
-  subject_alternative_names = ["www.clouddrove.com"]
-  validation_method         = "DNS"
-  enable_dns_validation     = false
+  subject_alternative_names = ["*.${local.domain}", "www.${local.domain}"]
 }
diff --git a/variables.tf b/variables.tf
index 578fb66..2e269c5 100644
--- a/variables.tf
+++ b/variables.tf
@@ -46,7 +46,7 @@ variable "subject_alternative_names" {
 
 variable "validation_method" {
   type        = string
-  default     = ""
+  default     = "DNS"
   description = "Which method to use for validation, DNS or EMAIL."
 }