diff --git a/README.md b/README.md
index 9418672..a6d6613 100644
--- a/README.md
+++ b/README.md
@@ -42,9 +42,12 @@ Then perform the following commands on the root folder:
 | bucket\_name | The name to apply to the bucket. Will default to a string of <project-id>-scheduled-function-XXXX> with XXXX being random characters. | `string` | `""` | no |
 | function\_available\_memory\_mb | The amount of memory in megabytes allotted for the function to use. | `number` | `256` | no |
 | function\_description | The description of the function. | `string` | `"Processes log export events provided through a Pub/Sub topic subscription."` | no |
+| function\_docker\_registry | Docker Registry to use for storing the function's Docker images. Allowed values are CONTAINER\_REGISTRY (default) and ARTIFACT\_REGISTRY. | `string` | `null` | no |
+| function\_docker\_repository | User managed repository created in Artifact Registry optionally with a customer managed encryption key. If specified, deployments will use Artifact Registry. | `string` | `null` | no |
 | function\_entry\_point | The name of a method in the function source which will be invoked when the function is executed. | `string` | n/a | yes |
 | function\_environment\_variables | A set of key/value environment variable pairs to assign to the function. | `map(string)` | `{}` | no |
 | function\_event\_trigger\_failure\_policy\_retry | A toggle to determine if the function should be retried on failure. | `bool` | `false` | no |
+| function\_kms\_key\_name | Resource name of a KMS crypto key (managed by the user) used to encrypt/decrypt function resources. | `string` | `null` | no |
 | function\_labels | A set of key/value label pairs to assign to the function. | `map(string)` | `{}` | no |
 | function\_max\_instances | The maximum number of parallel executions of the function. | `number` | `null` | no |
 | function\_name | The name to apply to the function | `string` | n/a | yes |
diff --git a/main.tf b/main.tf
index 9b2a454..ef876c8 100644
--- a/main.tf
+++ b/main.tf
@@ -88,6 +88,9 @@ module "main" {
   timeout_s                          = var.function_timeout_s
   max_instances                      = var.function_max_instances
   ingress_settings                   = var.ingress_settings
+  docker_registry                    = var.function_docker_registry
+  docker_repository                  = var.function_docker_repository
+  kms_key_name                       = var.function_kms_key_name
   vpc_connector                      = var.vpc_connector
   vpc_connector_egress_settings      = var.vpc_connector_egress_settings
 }
diff --git a/variables.tf b/variables.tf
index d365871..97841da 100644
--- a/variables.tf
+++ b/variables.tf
@@ -128,6 +128,24 @@ variable "ingress_settings" {
   description = "The ingress settings for the function. Allowed values are ALLOW_ALL, ALLOW_INTERNAL_AND_GCLB and ALLOW_INTERNAL_ONLY. Changes to this field will recreate the cloud function."
 }
 
+variable "function_docker_registry" {
+  type        = string
+  default     = null
+  description = "Docker Registry to use for storing the function's Docker images. Allowed values are CONTAINER_REGISTRY (default) and ARTIFACT_REGISTRY."
+}
+
+variable "function_docker_repository" {
+  type        = string
+  default     = null
+  description = "User managed repository created in Artifact Registry optionally with a customer managed encryption key. If specified, deployments will use Artifact Registry."
+}
+
+variable "function_kms_key_name" {
+  type        = string
+  default     = null
+  description = "Resource name of a KMS crypto key (managed by the user) used to encrypt/decrypt function resources."
+}
+
 variable "vpc_connector" {
   type        = string
   default     = null
diff --git a/versions.tf b/versions.tf
index bedb556..e44f8db 100644
--- a/versions.tf
+++ b/versions.tf
@@ -19,7 +19,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = ">= 3.53, < 6"
+      version = ">= 4.23, < 6"
     }
     random = {
       source  = "hashicorp/random"