diff --git a/buildinfo.go b/buildinfo.go
index 0373629..3857def 100644
--- a/buildinfo.go
+++ b/buildinfo.go
@@ -3,11 +3,11 @@ package main
 
 const (
 	// VERSION is the version of peg
-	VERSION   = "unknown"
+	VERSION   = ""
 	// BUILDTIME is the build time of peg
-	BUILDTIME = "2024-02-26T12:28:35"
+	BUILDTIME = "2024-11-27T19:39:27"
 	// COMMIT is the commit hash of peg
-	COMMIT    = "a4f5c509ba3254cae4204db9c02d36ca2f733d53"
+	COMMIT    = "f02924709a94d2f169ee1dd5f9cee0277aed4edd"
 	// IS_TAGGED is there a version
 	IS_TAGGED = false
 )
diff --git a/peg.peg.go b/peg.peg.go
index d741b22..a26aa3b 100644
--- a/peg.peg.go
+++ b/peg.peg.go
@@ -1,4 +1,4 @@
-// Code generated by ./peg -inline -switch peg.peg. DO NOT EDIT.
+// Code generated by peg -inline -switch peg.peg. DO NOT EDIT.
 
 package main
 
diff --git a/peg_test.go b/peg_test.go
index 19cbc3b..ec8c004 100644
--- a/peg_test.go
+++ b/peg_test.go
@@ -134,6 +134,23 @@ Begin <- Begin 'x'
 	}
 }
 
+func TestCJKCharacter(t *testing.T) {
+	buffer := `
+package main
+
+type DiceExprParser Peg {
+}
+
+Expr <- 'CJK' / '汉字' / 'test'
+`
+	p := &Peg{Tree: tree.New(false, true, false), Buffer: buffer}
+	p.Init(Size(1 << 15))
+	err := p.Parse()
+	if err != nil {
+		t.Fatal("cjk character test failed")
+	}
+}
+
 var files = [...]string{
 	"peg.peg",
 	"grammars/c/c.peg",
diff --git a/tree/peg.go b/tree/peg.go
index b861be5..e9605de 100644
--- a/tree/peg.go
+++ b/tree/peg.go
@@ -17,6 +17,7 @@ import (
 	"strconv"
 	"strings"
 	"text/template"
+	"unicode"
 
 	"github.com/pointlander/peg/set"
 )
@@ -1124,7 +1125,7 @@ func (t *Tree) Compile(file string, args []string, out io.Writer) (err error) {
 						ordered.PushBack(element.Copy())
 					} else {
 						class := &node{Type: TypeUnorderedAlternate}
-						for d := 0; d < 256; d++ {
+						for d := 0; d < unicode.MaxRune; d++ {
 							if properties[c].s.Has(rune(d)) {
 								class.PushBack(&node{Type: TypeCharacter, string: string(rune(d))})
 							}