diff --git a/src/go.mod b/src/go.mod
index 8eb07ba02..ce4e79570 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -14,7 +14,7 @@ require (
 	github.com/prometheus/client_model v0.4.0
 	github.com/prometheus/common v0.44.0
 	github.com/valyala/fasthttp v1.48.0
-	golang.org/x/net v0.12.0
+	golang.org/x/net v0.13.0
 	google.golang.org/grpc v1.57.0
 	gopkg.in/yaml.v2 v2.4.0
 )
diff --git a/src/go.sum b/src/go.sum
index d9f581698..0c91eb142 100644
--- a/src/go.sum
+++ b/src/go.sum
@@ -206,8 +206,8 @@ golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.12.0 h1:cfawfvKITfUsFCeJIHJrbSxpeu/E81khclypR0GVT50=
-golang.org/x/net v0.12.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
+golang.org/x/net v0.13.0 h1:Nvo8UFsZ8X3BhAC9699Z1j7XQ3rsZnUUm7jfBEk1ueY=
+golang.org/x/net v0.13.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
diff --git a/src/vendor/golang.org/x/net/html/render.go b/src/vendor/golang.org/x/net/html/render.go
index 8b2803190..e8c123345 100644
--- a/src/vendor/golang.org/x/net/html/render.go
+++ b/src/vendor/golang.org/x/net/html/render.go
@@ -194,9 +194,8 @@ func render1(w writer, n *Node) error {
 		}
 	}
 
-	// Render any child nodes.
-	switch n.Data {
-	case "iframe", "noembed", "noframes", "noscript", "plaintext", "script", "style", "xmp":
+	// Render any child nodes
+	if childTextNodesAreLiteral(n) {
 		for c := n.FirstChild; c != nil; c = c.NextSibling {
 			if c.Type == TextNode {
 				if _, err := w.WriteString(c.Data); err != nil {
@@ -213,7 +212,7 @@ func render1(w writer, n *Node) error {
 			// last element in the file, with no closing tag.
 			return plaintextAbort
 		}
-	default:
+	} else {
 		for c := n.FirstChild; c != nil; c = c.NextSibling {
 			if err := render1(w, c); err != nil {
 				return err
@@ -231,6 +230,27 @@ func render1(w writer, n *Node) error {
 	return w.WriteByte('>')
 }
 
+func childTextNodesAreLiteral(n *Node) bool {
+	// Per WHATWG HTML 13.3, if the parent of the current node is a style,
+	// script, xmp, iframe, noembed, noframes, or plaintext element, and the
+	// current node is a text node, append the value of the node's data
+	// literally. The specification is not explicit about it, but we only
+	// enforce this if we are in the HTML namespace (i.e. when the namespace is
+	// "").
+	// NOTE: we also always include noscript elements, although the
+	// specification states that they should only be rendered as such if
+	// scripting is enabled for the node (which is not something we track).
+	if n.Namespace != "" {
+		return false
+	}
+	switch n.Data {
+	case "iframe", "noembed", "noframes", "noscript", "plaintext", "script", "style", "xmp":
+		return true
+	default:
+		return false
+	}
+}
+
 // writeQuoted writes s to w surrounded by quotes. Normally it will use double
 // quotes, but if s contains a double quote, it will use single quotes.
 // It is used for writing the identifiers in a doctype declaration.
diff --git a/src/vendor/golang.org/x/net/http2/transport.go b/src/vendor/golang.org/x/net/http2/transport.go
index b9632380e..b20c74917 100644
--- a/src/vendor/golang.org/x/net/http2/transport.go
+++ b/src/vendor/golang.org/x/net/http2/transport.go
@@ -518,11 +518,14 @@ func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error) {
 func authorityAddr(scheme string, authority string) (addr string) {
 	host, port, err := net.SplitHostPort(authority)
 	if err != nil { // authority didn't have a port
+		host = authority
+		port = ""
+	}
+	if port == "" { // authority's port was empty
 		port = "443"
 		if scheme == "http" {
 			port = "80"
 		}
-		host = authority
 	}
 	if a, err := idna.ToASCII(host); err == nil {
 		host = a
diff --git a/src/vendor/modules.txt b/src/vendor/modules.txt
index 048af1bb4..f775eafd4 100644
--- a/src/vendor/modules.txt
+++ b/src/vendor/modules.txt
@@ -188,7 +188,7 @@ golang.org/x/crypto/ssh/internal/bcrypt_pbkdf
 # golang.org/x/mod v0.10.0
 ## explicit; go 1.17
 golang.org/x/mod/semver
-# golang.org/x/net v0.12.0
+# golang.org/x/net v0.13.0
 ## explicit; go 1.17
 golang.org/x/net/context
 golang.org/x/net/html