diff --git a/config/post-install/v0.16.0/broker-cleanup.yaml b/config/post-install/v0.16.0/broker-cleanup.yaml
index 3748c1a4142..6ac04c2eb83 100644
--- a/config/post-install/v0.16.0/broker-cleanup.yaml
+++ b/config/post-install/v0.16.0/broker-cleanup.yaml
@@ -6,6 +6,7 @@ metadata:
   labels:
     eventing.knative.dev/release: devel
 spec:
+  ttlSecondsAfterFinished: 600
   template:
     metadata:
       annotations: