diff --git a/terraform/asg.tf b/terraform/asg.tf
index a0758c8..0d7e052 100644
--- a/terraform/asg.tf
+++ b/terraform/asg.tf
@@ -65,6 +65,14 @@ resource "aws_launch_template" "k8s-aarch64" {
   private_dns_name_options {
     hostname_type = "resource-name"
   }
+
+  block_device_mappings {
+    device_name = "/dev/sda1"
+
+    ebs {
+      volume_size = 64
+    }
+  }
 }
 
 resource "aws_autoscaling_group" "k8s-aarch64" {