diff --git a/k8s/_argocd/argocd_components/appproject.jsonnet b/k8s/_argocd/argocd_components/appproject.jsonnet
index 9357793db..537c7f9bd 100644
--- a/k8s/_argocd/argocd_components/appproject.jsonnet
+++ b/k8s/_argocd/argocd_components/appproject.jsonnet
@@ -9,6 +9,7 @@
       'notifications.argoproj.io/subscribe.on-deleted.slack': slackChannel,
       'notifications.argoproj.io/subscribe.on-health-degraded.slack': slackChannel,
       'notifications.argoproj.io/subscribe.on-sync-failed.slack': slackChannel,
+      'notifications.argoproj.io/subscribe.on-sync-succeeded.slack': slackChannel,
     },
   },
   spec: {