diff --git a/apinighthawk/nighthawk.go b/apinighthawk/nighthawk.go
index 557b24d5..f857a0a4 100644
--- a/apinighthawk/nighthawk.go
+++ b/apinighthawk/nighthawk.go
@@ -53,7 +53,8 @@ func NighthawkRun(config *NighthawkConfig) ([]byte, error) {
 		"envoyproxy/nighthawk-dev:latest",
 		"nighthawk_client",
 		"--rps "+qps,
-		"--concurrency "+c,
+		"--concurrency 1",
+		"--connections "+c,
 		"--duration "+duration,
 		rURL.String(),
 		"--output-format experimental_fortio_pedantic").Output()
diff --git a/cmd/main.go b/cmd/main.go
index 26362cbb..4965ad64 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -21,9 +21,9 @@ func init() {
 func main() {
 	// Duration in seconds nighthawk default format
 	testConfig := &apinighthawk.NighthawkConfig{
-		Thread:            1,
+		Thread:            2,
 		DurationInSeconds: 5,
-		QPS:               1,
+		QPS:               2,
 		URL:               "https://www.github.com",
 	}