diff --git a/components/engine/hack/vendor.sh b/components/engine/hack/vendor.sh
index f3927343cd..daeaa80bbd 100755
--- a/components/engine/hack/vendor.sh
+++ b/components/engine/hack/vendor.sh
@@ -64,7 +64,7 @@ clone git github.com/vdemeester/shakers 24d7f1d6a71aa5d9cbe7390e4afb66b7eef9e1b3
 clone git golang.org/x/net 2beffdc2e92c8a3027590f898fe88f69af48a3f8 https://github.com/tonistiigi/net.git
 clone git golang.org/x/sys eb2c74142fd19a79b3f237334c7384d5167b1b46 https://github.com/golang/sys.git
 clone git github.com/docker/go-units 8a7beacffa3009a9ac66bad506b18ffdd110cf97
-clone git github.com/docker/go-connections 988efe982fdecb46f01d53465878ff1f2ff411ce
+clone git github.com/docker/go-connections 1494b6df4050e60923d68cd8cc6a19e7af9f1c01
 
 clone git github.com/RackSec/srslog 365bf33cd9acc21ae1c355209865f17228ca534e
 clone git github.com/imdario/mergo 0.2.1
diff --git a/components/engine/vendor/src/github.com/docker/go-connections/nat/nat.go b/components/engine/vendor/src/github.com/docker/go-connections/nat/nat.go
index e19c73c378..4d5f5ae63a 100644
--- a/components/engine/vendor/src/github.com/docker/go-connections/nat/nat.go
+++ b/components/engine/vendor/src/github.com/docker/go-connections/nat/nat.go
@@ -155,33 +155,36 @@ type PortMapping struct {
 	Binding PortBinding
 }
 
+func splitParts(rawport string) (string, string, string) {
+	parts := strings.Split(rawport, ":")
+	n := len(parts)
+	containerport := parts[n-1]
+
+	switch n {
+	case 1:
+		return "", "", containerport
+	case 2:
+		return "", parts[0], containerport
+	case 3:
+		return parts[0], parts[1], containerport
+	default:
+		return strings.Join(parts[:n-2], ":"), parts[n-2], containerport
+	}
+}
+
 // ParsePortSpec parses a port specification string into a slice of PortMappings
 func ParsePortSpec(rawPort string) ([]PortMapping, error) {
-	proto := "tcp"
+	var proto string
+	rawIP, hostPort, containerPort := splitParts(rawPort)
+	proto, containerPort = SplitProtoPort(containerPort)
 
-	if i := strings.LastIndex(rawPort, "/"); i != -1 {
-		proto = rawPort[i+1:]
-		rawPort = rawPort[:i]
-	}
-	if !strings.Contains(rawPort, ":") {
-		rawPort = fmt.Sprintf("::%s", rawPort)
-	} else if len(strings.Split(rawPort, ":")) == 2 {
-		rawPort = fmt.Sprintf(":%s", rawPort)
-	}
-
-	parts, err := PartParser(portSpecTemplate, rawPort)
+	// Strip [] from IPV6 addresses
+	ip, _, err := net.SplitHostPort(rawIP + ":")
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("Invalid ip address %v: %s", rawIP, err)
 	}
-
-	var (
-		containerPort = parts["containerPort"]
-		rawIP         = parts["ip"]
-		hostPort      = parts["hostPort"]
-	)
-
-	if rawIP != "" && net.ParseIP(rawIP) == nil {
-		return nil, fmt.Errorf("Invalid ip address: %s", rawIP)
+	if ip != "" && net.ParseIP(ip) == nil {
+		return nil, fmt.Errorf("Invalid ip address: %s", ip)
 	}
 	if containerPort == "" {
 		return nil, fmt.Errorf("No port specified: %s<empty>", rawPort)
@@ -230,7 +233,7 @@ func ParsePortSpec(rawPort string) ([]PortMapping, error) {
 		}
 
 		binding := PortBinding{
-			HostIP:   rawIP,
+			HostIP:   ip,
 			HostPort: hostPort,
 		}
 		ports = append(ports, PortMapping{Port: port, Binding: binding})
diff --git a/components/engine/vendor/src/github.com/docker/go-connections/nat/parse.go b/components/engine/vendor/src/github.com/docker/go-connections/nat/parse.go
index 872050205f..892adf8c66 100644
--- a/components/engine/vendor/src/github.com/docker/go-connections/nat/parse.go
+++ b/components/engine/vendor/src/github.com/docker/go-connections/nat/parse.go
@@ -8,6 +8,7 @@ import (
 
 // PartParser parses and validates the specified string (data) using the specified template
 // e.g. ip:public:private -> 192.168.0.1:80:8000
+// DEPRECATED: do not use, this function may be removed in a future version
 func PartParser(template, data string) (map[string]string, error) {
 	// ip:public:private
 	var (
diff --git a/components/engine/vendor/src/github.com/docker/go-connections/sockets/tcp_socket.go b/components/engine/vendor/src/github.com/docker/go-connections/sockets/tcp_socket.go
index 8a82727df0..53cbb6c79e 100644
--- a/components/engine/vendor/src/github.com/docker/go-connections/sockets/tcp_socket.go
+++ b/components/engine/vendor/src/github.com/docker/go-connections/sockets/tcp_socket.go
@@ -7,7 +7,7 @@ import (
 )
 
 // NewTCPSocket creates a TCP socket listener with the specified address and
-// and the specified tls configuration. If TLSConfig is set, will encapsulate the
+// the specified tls configuration. If TLSConfig is set, will encapsulate the
 // TCP listener inside a TLS one.
 func NewTCPSocket(addr string, tlsConfig *tls.Config) (net.Listener, error) {
 	l, err := net.Listen("tcp", addr)