diff --git a/proxyserver/main.go b/proxyserver/main.go
index f1fcec72..0f98ac53 100644
--- a/proxyserver/main.go
+++ b/proxyserver/main.go
@@ -168,14 +168,14 @@ func NewBackend(mux *http.ServeMux, httpAddress string, muxPaths ...string) *Bac
 	client := &http.Client{
 		Transport: &http.Transport{
 			DialContext: (&net.Dialer{
-				Timeout:   60 * time.Second,
+				Timeout:   300 * time.Second,
 				KeepAlive: 60 * time.Second,
 			}).DialContext,
 			ForceAttemptHTTP2:     true,
 			MaxIdleConns:          100,
 			MaxIdleConnsPerHost:   100,
-			IdleConnTimeout:       90 * time.Second,
-			TLSHandshakeTimeout:   10 * time.Second,
+			IdleConnTimeout:       300 * time.Second,
+			TLSHandshakeTimeout:   300 * time.Second,
 			ExpectContinueTimeout: 1 * time.Second,
 		},
 	}