diff --git a/tools/aws_lab_setup/roles/manage_ec2_instances/vars/main.yml b/tools/aws_lab_setup/roles/manage_ec2_instances/vars/main.yml
index e0985707..b3d11458 100644
--- a/tools/aws_lab_setup/roles/manage_ec2_instances/vars/main.yml
+++ b/tools/aws_lab_setup/roles/manage_ec2_instances/vars/main.yml
@@ -120,7 +120,7 @@ ec2_instance_types:
 
   rhel7-tower:
     ami_id: "{{ ec2_regions[ec2_region].amis['rhel7-tower'] }}"
-    size: t2.medium
+    size: t2.large
     os_type: linux
     disk_space: 20