diff --git a/gcr_namespaces b/gcr_namespaces
index abeb901..be0611a 100644
--- a/gcr_namespaces
+++ b/gcr_namespaces
@@ -6,3 +6,4 @@ tf-on-k8s-dogfood
 spinnaker-marketplace
 google-containers
 distroless
+istio-release