diff --git a/asg.tf b/asg.tf
index 1cb53b9..82b82c4 100644
--- a/asg.tf
+++ b/asg.tf
@@ -10,7 +10,11 @@ resource "aws_autoscaling_group" "main" {
 
   launch_template {
     id      = aws_launch_template.main.id
-    version = "$Latest"
+    version = aws_launch_template.main.latest_version // explicitly set to latest version
+  }
+
+  instance_refresh {
+    strategy = "Rolling"
   }
 
   dynamic "tag" {