diff --git a/ants_benchmark_test.go b/ants_benchmark_test.go
index de1f320..095ab72 100644
--- a/ants_benchmark_test.go
+++ b/ants_benchmark_test.go
@@ -44,7 +44,7 @@ const (
 const (
 	RunTimes = 10000000
 	Param    = 100
-	AntsSize = 500
+	AntsSize = 1000
 	TestSize = 10000
 )