diff --git a/lambda.tf b/lambda.tf
index 79b31cf..d4744c9 100644
--- a/lambda.tf
+++ b/lambda.tf
@@ -149,6 +149,7 @@ data "archive_file" "lambda_source_code" {
 # Lambda function
 resource "aws_lambda_function" "squid" {
   function_name = "${local.name}-lambda"
+  architectures = var.architectures
   role          = aws_iam_role.lambda.arn
   handler       = "lambda_function.lambda_handler"
   runtime       = "python3.13"
diff --git a/variables.tf b/variables.tf
index a448d43..70580c4 100644
--- a/variables.tf
+++ b/variables.tf
@@ -7,6 +7,12 @@ variable "allowed_domains" {
   ]
 }
 
+variable "architectures" {
+  description = "Lambda function architecture."
+  type        = list(string)
+  default     = ["arm64"]
+}
+
 variable "detailed_monitoring" {
   description = "Whether or not to enable detailed monitoring for the EC2 instance."
   type        = bool