diff --git a/vendor/gopkg.in/jcmturner/gokrb5.v7/client/network.go b/vendor/gopkg.in/jcmturner/gokrb5.v7/client/network.go
index 19d25e6..493fb2f 100644
--- a/vendor/gopkg.in/jcmturner/gokrb5.v7/client/network.go
+++ b/vendor/gopkg.in/jcmturner/gokrb5.v7/client/network.go
@@ -69,49 +69,47 @@
 }
 
 // dialKDCTCP establishes a UDP connection to a KDC.
-func dialKDCUDP(count int, kdcs map[int]string) (conn *net.UDPConn, err error) {
+func dialKDCUDP(count int, kdcs map[int]string) (*net.UDPConn, error) {
 	i := 1
 	for i <= count {
-		udpAddr, e := net.ResolveUDPAddr("udp", kdcs[i])
-		if e != nil {
-			err = fmt.Errorf("error resolving KDC address: %v", e)
-			return
+		udpAddr, err := net.ResolveUDPAddr("udp", kdcs[i])
+		if err != nil {
+			return nil, fmt.Errorf("error resolving KDC address: %v", err)
 		}
-		conn, err = net.DialUDP("udp", nil, udpAddr)
+
+		conn, err := net.DialTimeout("udp", udpAddr.String(), 5*time.Second)
 		if err == nil {
-			err = conn.SetDeadline(time.Now().Add(5 * time.Second))
-			if err != nil {
-				return
+			if err := conn.SetDeadline(time.Now().Add(5 * time.Second)); err != nil {
+				return nil, err
 			}
-			return
+			// conn is guaranteed to be a UDPConn
+			return conn.(*net.UDPConn), nil
 		}
 		i++
 	}
-	err = errors.New("error in getting a UDP connection to any of the KDCs")
-	return
+	return nil, errors.New("error in getting a UDP connection to any of the KDCs")
 }
 
 // dialKDCTCP establishes a TCP connection to a KDC.
-func dialKDCTCP(count int, kdcs map[int]string) (conn *net.TCPConn, err error) {
+func dialKDCTCP(count int, kdcs map[int]string) (*net.TCPConn, error) {
 	i := 1
 	for i <= count {
-		tcpAddr, e := net.ResolveTCPAddr("tcp", kdcs[i])
-		if e != nil {
-			err = fmt.Errorf("error resolving KDC address: %v", e)
-			return
+		tcpAddr, err := net.ResolveTCPAddr("tcp", kdcs[i])
+		if err != nil {
+			return nil, fmt.Errorf("error resolving KDC address: %v", err)
 		}
-		conn, err = net.DialTCP("tcp", nil, tcpAddr)
+
+		conn, err := net.DialTimeout("tcp", tcpAddr.String(), 5*time.Second)
 		if err == nil {
-			err = conn.SetDeadline(time.Now().Add(5 * time.Second))
-			if err != nil {
-				return
+			if err := conn.SetDeadline(time.Now().Add(5 * time.Second)); err != nil {
+				return nil, err
 			}
-			return
+			// conn is guaranteed to be a TCPConn
+			return conn.(*net.TCPConn), nil
 		}
 		i++
 	}
-	err = errors.New("error in getting a TCP connection to any of the KDCs")
-	return
+	return nil, errors.New("error in getting a TCP connection to any of the KDCs")
 }
 
 // sendKDCUDP sends bytes to the KDC via UDP.
diff --git a/vendor/gopkg.in/jcmturner/gokrb5.v7/config/krb5conf.go b/vendor/gopkg.in/jcmturner/gokrb5.v7/config/krb5conf.go
index dbc61c3..8efe92d 100644
--- a/vendor/gopkg.in/jcmturner/gokrb5.v7/config/krb5conf.go
+++ b/vendor/gopkg.in/jcmturner/gokrb5.v7/config/krb5conf.go
@@ -119,6 +119,10 @@
 // Parse the lines of the [libdefaults] section of the configuration into the LibDefaults struct.
 func (l *LibDefaults) parseLines(lines []string) error {
 	for _, line := range lines {
+		//Remove comments after the values
+		if idx := strings.IndexAny(line, "#;"); idx != -1 {
+			line = line[:idx]
+		}
 		line = strings.TrimSpace(line)
 		if line == "" {
 			continue
@@ -333,6 +337,10 @@
 		if ignore && c > 0 && !strings.Contains(line, "{") && !strings.Contains(line, "}") {
 			continue
 		}
+		//Remove comments after the values
+		if idx := strings.IndexAny(line, "#;"); idx != -1 {
+			line = line[:idx]
+		}
 		line = strings.TrimSpace(line)
 		if line == "" {
 			continue
@@ -407,6 +415,10 @@
 	var start int
 	var c int
 	for i, l := range lines {
+		//Remove comments after the values
+		if idx := strings.IndexAny(l, "#;"); idx != -1 {
+			l = l[:idx]
+		}
 		l = strings.TrimSpace(l)
 		if l == "" {
 			continue
@@ -454,6 +466,10 @@
 // Parse the lines of the [domain_realm] section of the configuration and add to the mapping.
 func (d *DomainRealm) parseLines(lines []string) error {
 	for _, line := range lines {
+		//Remove comments after the values
+		if idx := strings.IndexAny(line, "#;"); idx != -1 {
+			line = line[:idx]
+		}
 		if strings.TrimSpace(line) == "" {
 			continue
 		}
diff --git a/vendor/gopkg.in/yaml.v2/decode.go b/vendor/gopkg.in/yaml.v2/decode.go
index e4e56e2..91679b5 100644
--- a/vendor/gopkg.in/yaml.v2/decode.go
+++ b/vendor/gopkg.in/yaml.v2/decode.go
@@ -229,6 +229,10 @@
 	mapType reflect.Type
 	terrors []string
 	strict  bool
+
+	decodeCount int
+	aliasCount  int
+	aliasDepth  int
 }
 
 var (
@@ -315,6 +319,13 @@
 }
 
 func (d *decoder) unmarshal(n *node, out reflect.Value) (good bool) {
+	d.decodeCount++
+	if d.aliasDepth > 0 {
+		d.aliasCount++
+	}
+	if d.aliasCount > 100 && d.decodeCount > 1000 && float64(d.aliasCount)/float64(d.decodeCount) > 0.99 {
+		failf("document contains excessive aliasing")
+	}
 	switch n.kind {
 	case documentNode:
 		return d.document(n, out)
@@ -353,7 +364,9 @@
 		failf("anchor '%s' value contains itself", n.value)
 	}
 	d.aliases[n] = true
+	d.aliasDepth++
 	good = d.unmarshal(n.alias, out)
+	d.aliasDepth--
 	delete(d.aliases, n)
 	return good
 }
diff --git a/vendor/gopkg.in/yaml.v2/resolve.go b/vendor/gopkg.in/yaml.v2/resolve.go
index 6c151db..4120e0c 100644
--- a/vendor/gopkg.in/yaml.v2/resolve.go
+++ b/vendor/gopkg.in/yaml.v2/resolve.go
@@ -81,7 +81,7 @@
 	return false
 }
 
-var yamlStyleFloat = regexp.MustCompile(`^[-+]?[0-9]*\.?[0-9]+([eE][-+][0-9]+)?$`)
+var yamlStyleFloat = regexp.MustCompile(`^[-+]?(\.[0-9]+|[0-9]+(\.[0-9]*)?)([eE][-+]?[0-9]+)?$`)
 
 func resolve(tag string, in string) (rtag string, out interface{}) {
 	if !resolvableTag(tag) {