diff --git a/octopus-samples-instances/azure-base-infrastructure-terraform/azure-postgresql.tf b/octopus-samples-instances/azure-base-infrastructure-terraform/azure-postgresql.tf
index 1537253..cd54e2b 100644
--- a/octopus-samples-instances/azure-base-infrastructure-terraform/azure-postgresql.tf
+++ b/octopus-samples-instances/azure-base-infrastructure-terraform/azure-postgresql.tf
@@ -15,7 +15,11 @@ resource "azurerm_postgresql_flexible_server" "permanent" {
   tags = {
     LifetimeInDays = 365
   }
-
+  
+  authentication {
+    active_directory_auth_enabled = true
+    password_auth_enabled = true
+  }
 }
 
 resource "azurerm_postgresql_flexible_server_firewall_rule" "all_azure_resources" {