diff --git a/httpx/client.go b/httpx/client.go
index 0d85539..d8728e7 100644
--- a/httpx/client.go
+++ b/httpx/client.go
@@ -11,24 +11,23 @@ import (
 // Deprecated: use NewClient instead
 // nolint
 var DefaultClient = &http.Client{
-	Timeout: time.Minute * 15,
-	Transport: &http.Transport{
-		Dial: (&net.Dialer{
-			Timeout: 20 * time.Second,
-		}).Dial,
-		TLSHandshakeTimeout: 15 * time.Second,
-	},
+	Timeout:   time.Minute * 15,
+	Transport: NewTransport(),
 }
 
 //nolint:exhaustruct // we don't need all fields
 func NewClient() *http.Client {
 	return &http.Client{
-		Timeout: time.Minute * 15,
-		Transport: &http.Transport{
-			Dial: (&net.Dialer{
-				Timeout: 20 * time.Second,
-			}).Dial,
-			TLSHandshakeTimeout: 15 * time.Second,
-		},
+		Timeout:   time.Minute * 15,
+		Transport: NewTransport(),
 	}
 }
+
+func NewTransport() *http.Transport {
+	transport := http.DefaultTransport.(*http.Transport).Clone()
+	transport.DialContext = (&net.Dialer{
+		Timeout: 20 * time.Second,
+	}).DialContext
+	transport.TLSHandshakeTimeout = 15 * time.Second
+	return transport
+}