diff --git a/outputs.tf b/outputs.tf
index 8ff0178..3c89d36 100644
--- a/outputs.tf
+++ b/outputs.tf
@@ -6,6 +6,7 @@ output "ubuntu_ami" {
 output "private_key" {
   value = tls_private_key.ssh_key.private_key_pem
   description = "SSH Private Key (PEM format)"
+  sensitive = true
 }
 
 output "public_key" {