diff --git a/_examples/small/go.mod b/_examples/small/go.mod
index 43c9a32..5702578 100644
--- a/_examples/small/go.mod
+++ b/_examples/small/go.mod
@@ -5,7 +5,7 @@ go 1.22.7
 replace github.com/hedzr/logg => ../../
 
 require (
-	github.com/hedzr/is v0.5.29
+	github.com/hedzr/is v0.6.0
 	github.com/hedzr/logg v0.7.1
 )
 
diff --git a/_examples/small/go.sum b/_examples/small/go.sum
index 554f50c..3204d33 100644
--- a/_examples/small/go.sum
+++ b/_examples/small/go.sum
@@ -1,5 +1,5 @@
-github.com/hedzr/is v0.5.29 h1:vqakvGI3EJZMQ/fbi94fTrPirLMEkA/JcvO4KRIlaK4=
-github.com/hedzr/is v0.5.29/go.mod h1:WPdrinHKBspd2KoCCdkFDuErxWIhTk38/lYP77ju/GE=
+github.com/hedzr/is v0.6.0 h1:iMq3aprzzXXOeEk8SOk+sfFrvVn1BwLncAXBH5YhjXo=
+github.com/hedzr/is v0.6.0/go.mod h1:WPdrinHKBspd2KoCCdkFDuErxWIhTk38/lYP77ju/GE=
 golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
 golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
 golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
diff --git a/go.mod b/go.mod
index 9f3a2e0..fa6bb2b 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ go 1.22.7
 
 // replace github.com/hedzr/go-utils/v2 => ./
 
-require github.com/hedzr/is v0.5.29
+require github.com/hedzr/is v0.6.0
 
 require (
 	golang.org/x/crypto v0.28.0 // indirect
diff --git a/go.sum b/go.sum
index 554f50c..3204d33 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/hedzr/is v0.5.29 h1:vqakvGI3EJZMQ/fbi94fTrPirLMEkA/JcvO4KRIlaK4=
-github.com/hedzr/is v0.5.29/go.mod h1:WPdrinHKBspd2KoCCdkFDuErxWIhTk38/lYP77ju/GE=
+github.com/hedzr/is v0.6.0 h1:iMq3aprzzXXOeEk8SOk+sfFrvVn1BwLncAXBH5YhjXo=
+github.com/hedzr/is v0.6.0/go.mod h1:WPdrinHKBspd2KoCCdkFDuErxWIhTk38/lYP77ju/GE=
 golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
 golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
 golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
diff --git a/tests/go.mod b/tests/go.mod
index fb5ba25..f23d986 100644
--- a/tests/go.mod
+++ b/tests/go.mod
@@ -7,7 +7,7 @@ replace github.com/hedzr/logg => ../
 require github.com/hedzr/logg v0.7.1
 
 require (
-	github.com/hedzr/is v0.5.29 // indirect
+	github.com/hedzr/is v0.6.0 // indirect
 	golang.org/x/crypto v0.28.0 // indirect
 	golang.org/x/net v0.30.0 // indirect
 	golang.org/x/sys v0.26.0 // indirect
diff --git a/tests/go.sum b/tests/go.sum
index 554f50c..3204d33 100644
--- a/tests/go.sum
+++ b/tests/go.sum
@@ -1,5 +1,5 @@
-github.com/hedzr/is v0.5.29 h1:vqakvGI3EJZMQ/fbi94fTrPirLMEkA/JcvO4KRIlaK4=
-github.com/hedzr/is v0.5.29/go.mod h1:WPdrinHKBspd2KoCCdkFDuErxWIhTk38/lYP77ju/GE=
+github.com/hedzr/is v0.6.0 h1:iMq3aprzzXXOeEk8SOk+sfFrvVn1BwLncAXBH5YhjXo=
+github.com/hedzr/is v0.6.0/go.mod h1:WPdrinHKBspd2KoCCdkFDuErxWIhTk38/lYP77ju/GE=
 golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
 golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
 golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=