diff --git a/private_demo/main.tf b/private_demo/main.tf
index bd81951..be2bf6b 100644
--- a/private_demo/main.tf
+++ b/private_demo/main.tf
@@ -34,7 +34,7 @@ module "webservice_private_demo" {
 
   service_name      = "Private-Demo"
   container_image   = "ghcr.io/home-assistant/private-demo"
-  container_version = "2023.3.1"
+  container_version = var.image_tag
   port              = 8123
   cloudflare_proxy  = false
 
diff --git a/private_demo/variables.tf b/private_demo/variables.tf
new file mode 100644
index 0000000..c0821f2
--- /dev/null
+++ b/private_demo/variables.tf
@@ -0,0 +1,4 @@
+variable "image_tag" {
+  description = "Image tag for the conatiner"
+  type        = string
+}