diff --git a/stx/.gitignore b/stx/.gitignore
index 27252a7f..13afd949 100644
--- a/stx/.gitignore
+++ b/stx/.gitignore
@@ -7,6 +7,7 @@
 *~
 installer-prebuilt
 /ansible-playbooks
+/app-istio
 /audit-armada-app
 /cert-manager-armada-app
 /clients