diff --git a/vendor/github.com/masterzen/winrm/auth.go b/vendor/github.com/masterzen/winrm/auth.go
index 93f607631..2e7c3757f 100644
--- a/vendor/github.com/masterzen/winrm/auth.go
+++ b/vendor/github.com/masterzen/winrm/auth.go
@@ -3,7 +3,9 @@ package winrm
 import (
 	"fmt"
 	"io/ioutil"
+	"net"
 	"strings"
+	"time"
 
 	"github.com/masterzen/azure-sdk-for-go/core/http"
 	"github.com/masterzen/azure-sdk-for-go/core/tls"
@@ -22,10 +24,15 @@ func (c *ClientAuthRequest) Transport(endpoint *Endpoint) error {
 	}
 
 	transport := &http.Transport{
+		Proxy: http.ProxyFromEnvironment,
 		TLSClientConfig: &tls.Config{
 			InsecureSkipVerify: endpoint.Insecure,
 			Certificates:       []tls.Certificate{cert},
 		},
+		Dial: (&net.Dialer{
+			Timeout:   30 * time.Second,
+			KeepAlive: 30 * time.Second,
+		}).Dial,
 		ResponseHeaderTimeout: endpoint.Timeout,
 	}
 
diff --git a/vendor/github.com/masterzen/winrm/endpoint.go b/vendor/github.com/masterzen/winrm/endpoint.go
index c81df4989..13e2ddae2 100644
--- a/vendor/github.com/masterzen/winrm/endpoint.go
+++ b/vendor/github.com/masterzen/winrm/endpoint.go
@@ -18,6 +18,8 @@ type Endpoint struct {
 	HTTPS bool
 	// set the flag true for skipping ssl verifications
 	Insecure bool
+	// if set, used to verify the hostname on the returned certificate
+	TLSServerName string
 	// pointer pem certs, and key
 	CACert []byte // cert auth to intdetify the server cert
 	Key    []byte // public key for client auth connections
diff --git a/vendor/github.com/masterzen/winrm/http.go b/vendor/github.com/masterzen/winrm/http.go
index 2d9310dca..929ea82c8 100644
--- a/vendor/github.com/masterzen/winrm/http.go
+++ b/vendor/github.com/masterzen/winrm/http.go
@@ -4,8 +4,10 @@ import (
 	"crypto/tls"
 	"fmt"
 	"io/ioutil"
+	"net"
 	"net/http"
 	"strings"
+	"time"
 
 	"github.com/masterzen/winrm/soap"
 )
@@ -44,7 +46,12 @@ func (c *clientRequest) Transport(endpoint *Endpoint) error {
 		Proxy: http.ProxyFromEnvironment,
 		TLSClientConfig: &tls.Config{
 			InsecureSkipVerify: endpoint.Insecure,
+			ServerName:         endpoint.TLSServerName,
 		},
+		Dial: (&net.Dialer{
+			Timeout:   30 * time.Second,
+			KeepAlive: 30 * time.Second,
+		}).Dial,
 		ResponseHeaderTimeout: endpoint.Timeout,
 	}
 
diff --git a/vendor/vendor.json b/vendor/vendor.json
index d4b22dac6..6d9659245 100644
--- a/vendor/vendor.json
+++ b/vendor/vendor.json
@@ -579,15 +579,16 @@
 			"revision": "95ba30457eb1121fa27753627c774c7cd4e90083"
 		},
 		{
-			"checksumSHA1": "kWWDtHJJp7Hiq0zj0xecRGqMoeU=",
+			"checksumSHA1": "LY1os7cX/gWXWTWYCHCtEaf5jSw=",
 			"path": "github.com/masterzen/winrm",
-			"revision": "acf371f6aff113fc0104a61cd72db45a7c27d310",
-			"revisionTime": "2017-03-29T23:04:57Z"
+			"revision": "1ca0ba637a877ee12b69abc73c6161fccb77b70a",
+			"revisionTime": "2017-06-01T21:16:37Z"
 		},
 		{
 			"checksumSHA1": "KTsgWipT3ennAAtaKxEZairxero=",
 			"path": "github.com/masterzen/winrm/soap",
-			"revision": "ef3efbb97f99fc204bd9c7edf778a0dbd9781baf"
+			"revision": "1ca0ba637a877ee12b69abc73c6161fccb77b70a",
+			"revisionTime": "2017-06-01T21:16:37Z"
 		},
 		{
 			"checksumSHA1": "bx+egnFe0OB0BZBcgZcaqsvcmS4=",