diff --git a/bundle_test.go b/bundle_test.go
index 30626f9..7946f96 100644
--- a/bundle_test.go
+++ b/bundle_test.go
@@ -78,6 +78,9 @@
 			isClosed:                  new(int32),
 			client: &http.Client{
 				Timeout: time.Second,
+				Transport: &http.Transport{
+					MaxIdleConnsPerHost: 10,
+				},
 			},
 		}
 		testBundleMan.initializeBundleDownloading()