diff --git a/cmd/web.go b/cmd/web.go
index 98ca8f9..0802f5f 100644
--- a/cmd/web.go
+++ b/cmd/web.go
@@ -7,14 +7,12 @@ package cmd
 import (
 	"encoding/gob"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"io"
 	"log"
 	"math/rand"
 	"net"
 	"net/http"
-	_ "net/http/pprof"
 	"net/url"
 	"os"
 	"os/signal"
@@ -32,10 +30,6 @@ import (
 	"github.com/yosssi/gohtml"
 )
 
-var (
-	ErrIndexNotExist = errors.New(`specified index does not exist`)
-)
-
 const (
 	LogDate            string        = `2006-01-02T15:04:05.000-07:00`
 	Prefix             string        = `/src`
diff --git a/go.mod b/go.mod
index f79caf1..6a344ec 100644
--- a/go.mod
+++ b/go.mod
@@ -13,5 +13,5 @@ require (
 require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	golang.org/x/net v0.9.0 // indirect
+	golang.org/x/net v0.10.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 1dd0675..a591d0e 100644
--- a/go.sum
+++ b/go.sum
@@ -23,8 +23,8 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/net v0.9.0 h1:aWJ/m6xSmxWBx+V0XRHTlrYrPG56jKsLdTFmsSsCzOM=
-golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
+golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M=
+golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
diff --git a/vendor/golang.org/x/net/html/doc.go b/vendor/golang.org/x/net/html/doc.go
index 5ff8480..2466ae3 100644
--- a/vendor/golang.org/x/net/html/doc.go
+++ b/vendor/golang.org/x/net/html/doc.go
@@ -99,14 +99,20 @@ Care should be taken when parsing and interpreting HTML, whether full documents
 or fragments, within the framework of the HTML specification, especially with
 regard to untrusted inputs.
 
-This package provides both a tokenizer and a parser. Only the parser constructs
-a DOM according to the HTML specification, resolving malformed and misplaced
-tags where appropriate. The tokenizer simply tokenizes the HTML presented to it,
-and as such does not resolve issues that may exist in the processed HTML,
-producing a literal interpretation of the input.
+This package provides both a tokenizer and a parser, which implement the
+tokenization, and tokenization and tree construction stages of the WHATWG HTML
+parsing specification respectively. While the tokenizer parses and normalizes
+individual HTML tokens, only the parser constructs the DOM tree from the
+tokenized HTML, as described in the tree construction stage of the
+specification, dynamically modifying or extending the docuemnt's DOM tree.
 
-If your use case requires semantically well-formed HTML, as defined by the
-WHATWG specification, the parser should be used rather than the tokenizer.
+If your use case requires semantically well-formed HTML documents, as defined by
+the WHATWG specification, the parser should be used rather than the tokenizer.
+
+In security contexts, if trust decisions are being made using the tokenized or
+parsed content, the input must be re-serialized (for instance by using Render or
+Token.String) in order for those trust decisions to hold, as the process of
+tokenization or parsing may alter the content.
 */
 package html // import "golang.org/x/net/html"
 
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 308db56..b04f945 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -32,7 +32,7 @@ golang.org/x/image/riff
 golang.org/x/image/vp8
 golang.org/x/image/vp8l
 golang.org/x/image/webp
-# golang.org/x/net v0.9.0
+# golang.org/x/net v0.10.0
 ## explicit; go 1.17
 golang.org/x/net/html
 golang.org/x/net/html/atom