diff --git a/fluffy/scripts/test_portal_testnet.nim b/fluffy/scripts/test_portal_testnet.nim
index bc258e22f..9a26a6457 100644
--- a/fluffy/scripts/test_portal_testnet.nim
+++ b/fluffy/scripts/test_portal_testnet.nim
@@ -192,7 +192,7 @@ procSuite "Portal testnet tests":
     # because the data needs to propagate over the nodes. What one could do is
     # add a json-rpc debug proc that returns whether the offer queue is empty or
     # not. And then poll every node until all nodes have an empty queue.
-    await sleepAsync(10.seconds)
+    await sleepAsync(15.seconds)
 
     let blockData = readBlockDataTable(dataFile)
     check blockData.isOk()