diff --git a/p2p/discover/udp.go b/p2p/discover/udp.go
index 7213325da8..1213c12c82 100644
--- a/p2p/discover/udp.go
+++ b/p2p/discover/udp.go
@@ -31,8 +31,8 @@ var (
 
 // Timeouts
 const (
-	respTimeout = 300 * time.Millisecond
-	sendTimeout = 300 * time.Millisecond
+	respTimeout = 500 * time.Millisecond
+	sendTimeout = 500 * time.Millisecond
 	expiration  = 20 * time.Second
 
 	refreshInterval = 1 * time.Hour