diff --git a/examples/vpn-usecases/stackit-azure/020-variables.tf b/examples/vpn-usecases/stackit-azure/020-variables.tf
index d3bc60b..ae3c32e 100644
--- a/examples/vpn-usecases/stackit-azure/020-variables.tf
+++ b/examples/vpn-usecases/stackit-azure/020-variables.tf
@@ -28,3 +28,7 @@ variable "stackit_service_account_key_path" {
 variable "azure_subscription_id" {
   type = string
 }
+
+variable "stackit_admin_email" {
+  type = string
+}
diff --git a/examples/vpn-usecases/stackit-azure/030-stackit-azure-vpn.tf b/examples/vpn-usecases/stackit-azure/030-stackit-azure-vpn.tf
index bad5cd7..2d3d7a2 100644
--- a/examples/vpn-usecases/stackit-azure/030-stackit-azure-vpn.tf
+++ b/examples/vpn-usecases/stackit-azure/030-stackit-azure-vpn.tf
@@ -20,7 +20,7 @@ module "vpn_sna_01" {
   machine_network_name      = "vpn-sna-01"
   sna_name                  = "vpn-sna-01"
   machine_name              = "vpn-sna-01"
-  stackit_admin_email       = "mauritz.uphoff@digits.schwarz"
+  stackit_admin_email       = var.stackit_admin_email
   stackit_org_id            = var.stackit_org_id
   stackit_project_name      = "vpn-sna-01"
   sna_network_range_prefix = [
diff --git a/examples/vpn-usecases/stackit-gcp/020-variables.tf b/examples/vpn-usecases/stackit-gcp/020-variables.tf
index 0288fbb..474bdbc 100644
--- a/examples/vpn-usecases/stackit-gcp/020-variables.tf
+++ b/examples/vpn-usecases/stackit-gcp/020-variables.tf
@@ -34,3 +34,7 @@ variable "gcp_service_account_key_path" {
 variable "gcp_project" {
   type = string
 }
+
+variable "stackit_admin_email" {
+  type = string
+}
diff --git a/examples/vpn-usecases/stackit-gcp/030-stackit-gcp-vpn.tf b/examples/vpn-usecases/stackit-gcp/030-stackit-gcp-vpn.tf
index 8f0c906..5f82603 100644
--- a/examples/vpn-usecases/stackit-gcp/030-stackit-gcp-vpn.tf
+++ b/examples/vpn-usecases/stackit-gcp/030-stackit-gcp-vpn.tf
@@ -20,7 +20,7 @@ module "vpn_sna_01" {
   machine_network_name      = "vpn-sna-01"
   sna_name                  = "vpn-sna-01"
   machine_name              = "vpn-sna-01"
-  stackit_admin_email       = "mauritz.uphoff@digits.schwarz"
+  stackit_admin_email       = var.stackit_admin_email
   stackit_org_id            = var.stackit_org_id
   stackit_project_name      = "vpn-sna-01"
   sna_network_range_prefix = [
diff --git a/examples/vpn-usecases/stackit-stackit/020-variables.tf b/examples/vpn-usecases/stackit-stackit/020-variables.tf
index 2606c07..a0f733d 100644
--- a/examples/vpn-usecases/stackit-stackit/020-variables.tf
+++ b/examples/vpn-usecases/stackit-stackit/020-variables.tf
@@ -26,3 +26,7 @@ variable "stackit_region" {
 variable "stackit_service_account_key_path" {
   type = string
 }
+
+variable "stackit_admin_email" {
+  type = string
+}
diff --git a/examples/vpn-usecases/stackit-stackit/030-stackit-stackit-vpn.tf b/examples/vpn-usecases/stackit-stackit/030-stackit-stackit-vpn.tf
index 234356c..42c60eb 100644
--- a/examples/vpn-usecases/stackit-stackit/030-stackit-stackit-vpn.tf
+++ b/examples/vpn-usecases/stackit-stackit/030-stackit-stackit-vpn.tf
@@ -19,7 +19,7 @@ module "vpn_sna_01" {
   machine_network_name      = "vpn-sna-01"
   sna_name                  = "vpn-sna-01"
   machine_name              = "vpn-sna-01"
-  stackit_admin_email       = "mauritz.uphoff@digits.schwarz"
+  stackit_admin_email       = var.stackit_admin_email
   stackit_org_id            = var.stackit_org_id
   stackit_project_name      = "vpn-sna-01"
   sna_network_range_prefix = [
@@ -34,7 +34,7 @@ module "vpn_sna_02" {
   machine_network_name      = "vpn-sna-02"
   machine_name              = "vpn-sna-02"
   sna_name                  = "vpn-sna-02"
-  stackit_admin_email       = "mauritz.uphoff@digits.schwarz"
+  stackit_admin_email       = var.stackit_admin_email
   stackit_org_id            = var.stackit_org_id
   stackit_project_name      = "vpn-sna-02"
   sna_network_range_prefix = [