diff --git a/lambda.tf b/lambda.tf
index 80c2ef0..3e22d0d 100644
--- a/lambda.tf
+++ b/lambda.tf
@@ -8,7 +8,7 @@ module "start_export_task_lambda" {
   function_name = "${local.prefix}rds-export-to-s3${local.postfix}"
   description   = "RDS Export To S3"
   handler       = "index.handler"
-  runtime       = "python3.8"
+  runtime       = "python${var.python_runtime_version}"
   publish       = true
 
   cloudwatch_logs_retention_in_days = 90
@@ -40,7 +40,7 @@ module "monitor_export_task_lambda" {
   function_name = "${local.prefix}rds-export-to-s3-monitor${local.postfix}"
   description   = "RDS Export To S3 Monitor"
   handler       = "index.handler"
-  runtime       = "python3.8"
+  runtime       = "python${var.python_runtime_version}"
   publish       = true
 
   cloudwatch_logs_retention_in_days = 90
diff --git a/variables.tf b/variables.tf
index c549e9f..1d3c881 100644
--- a/variables.tf
+++ b/variables.tf
@@ -80,6 +80,12 @@ variable "log_level" {
   default     = "INFO"
 }
 
+variable "python_runtime_version" {
+  description = "Runtime Version of Python to use."
+  type        = string
+  default     = "3.8"
+}
+
 variable "tags" {
   description = "(Optional) A mapping of tags to assign to the bucket."
   type        = map(string)