diff --git a/tests/pubsub/testfloodsub.nim b/tests/pubsub/testfloodsub.nim
index da017ef64..c8ed92590 100644
--- a/tests/pubsub/testfloodsub.nim
+++ b/tests/pubsub/testfloodsub.nim
@@ -190,7 +190,7 @@ suite "FloodSub":
         await node.publish("foobar", cast[seq[byte]]("Hello!"))
         await sleepAsync(100.millis)
 
-      await sleepAsync(3000.millis)
+      await sleepAsync(5000.millis)
 
       await allFutures(nodes.mapIt(it.stop()))
       await allFutures(awaitters)