diff --git a/ca/client.go b/ca/client.go
index be55ba53..b9593162 100644
--- a/ca/client.go
+++ b/ca/client.go
@@ -57,6 +57,7 @@ func newInsecureClient() *uaClient {
 	return &uaClient{
 		Client: &http.Client{
 			Transport: &http.Transport{
+				Proxy:           http.ProxyFromEnvironment,
 				TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
 			},
 		},