diff --git a/ants_benchmark_test.go b/ants_benchmark_test.go
index af0ef99..0374d8a 100644
--- a/ants_benchmark_test.go
+++ b/ants_benchmark_test.go
@@ -44,7 +44,7 @@ const (
 const (
 	RunTimes = 10000000
 	Param    = 100
-	AntsSize = 100
+	AntsSize = 500
 )
 
 func demoFunc() error {