diff --git a/pkg/congestion/brutal.go b/pkg/congestion/brutal.go
index 81ae293..d08ac34 100644
--- a/pkg/congestion/brutal.go
+++ b/pkg/congestion/brutal.go
@@ -10,7 +10,7 @@ const (
 
 	pktInfoSlotCount = 4
 	minSampleCount   = 50
-	minAckRate       = 0.75
+	minAckRate       = 0.8
 )
 
 type BrutalSender struct {