diff --git a/modules/runner/main.tf b/modules/runner/main.tf
index 595ef9b..acff01a 100644
--- a/modules/runner/main.tf
+++ b/modules/runner/main.tf
@@ -131,6 +131,10 @@ module "runner-instance-1" {
     max_price = "on-demand-price"
   }
 
+  runner_worker_docker_machine_instance = {
+      types = ["t3.micro"]
+  }
+
   runner_networking = {
     allow_incoming_ping_security_group_ids = [data.aws_security_group.default.id]
   }
@@ -224,6 +228,10 @@ module "runner-instance-2" {
       max_price = "on-demand-price"
   }
 
+  runner_worker_docker_machine_instance = {
+      types = ["t3.micro"]
+  }
+
   runner_networking = {
       allow_incoming_ping_security_group_ids = [data.aws_security_group.default.id]
   }