diff --git a/combobulator/src/main.rs b/combobulator/src/main.rs
index d5eddbe..0d073b2 100644
--- a/combobulator/src/main.rs
+++ b/combobulator/src/main.rs
@@ -118,7 +118,7 @@ async fn main()->Result<(),StartupError>{
 		name:Some(DURABLE_NAME.to_owned()),
 		durable_name:Some(DURABLE_NAME.to_owned()),
 		filter_subjects:filter_subjects.clone(),
-		ack_wait:std::time::Duration::from_secs(300), // 5 minutes for processing
+		ack_wait:std::time::Duration::from_secs(900), // 15 minutes for processing
 		max_deliver:5, // retry up to 5 times
 		..Default::default()
 	};