diff --git a/go.mod b/go.mod
index 976bc5d..98bf598 100644
--- a/go.mod
+++ b/go.mod
@@ -1,11 +1,13 @@
 module git.zhangdeman.cn/zhangdeman/wrapper
 
-go 1.20
+go 1.21
+
+toolchain go1.21.4
 
 require (
 	git.zhangdeman.cn/zhangdeman/easymap v0.0.0-20230826152035-90f7ba59144a
-	git.zhangdeman.cn/zhangdeman/serialize v0.0.0-20230909065133-098dcddf1fca
-	git.zhangdeman.cn/zhangdeman/util v0.0.0-20230815042559-b34984be7444
+	git.zhangdeman.cn/zhangdeman/serialize v0.0.0-20231123090055-0d2a068178aa
+	git.zhangdeman.cn/zhangdeman/util v0.0.0-20231014142840-445c6407db92
 	github.com/axgle/mahonia v0.0.0-20180208002826-3358181d7394
 )
 
diff --git a/go.sum b/go.sum
index 0c87330..3c2cecb 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,12 @@ git.zhangdeman.cn/zhangdeman/easymap v0.0.0-20230826152035-90f7ba59144a h1:B37yG
 git.zhangdeman.cn/zhangdeman/easymap v0.0.0-20230826152035-90f7ba59144a/go.mod h1:l9S40lsDnTd/VAZjh1kmfYvz0B9z+7oT86pMQ/KurWo=
 git.zhangdeman.cn/zhangdeman/serialize v0.0.0-20230909065133-098dcddf1fca h1:CoazDbdGF/bKooOdbyW4R9bmu+i+XvymKuxNFEi/UCE=
 git.zhangdeman.cn/zhangdeman/serialize v0.0.0-20230909065133-098dcddf1fca/go.mod h1:AWyjclAKRM7HiUNzm2wKhYw+s4Jz7fg8YngN+PYdKNo=
+git.zhangdeman.cn/zhangdeman/serialize v0.0.0-20231123090055-0d2a068178aa h1:l835yJ1Ja5JTCrt+FkW+IKMFalBXHHlRUvQmav2C7KA=
+git.zhangdeman.cn/zhangdeman/serialize v0.0.0-20231123090055-0d2a068178aa/go.mod h1:w7kG4zyTJ1uPFaTWhze+OQuaUBINT2XnDxpyiM6ctc0=
 git.zhangdeman.cn/zhangdeman/util v0.0.0-20230815042559-b34984be7444 h1:JVp575weLUX4sfhgjjxotJPxfHio7Ua8KHH3LMRRs2E=
 git.zhangdeman.cn/zhangdeman/util v0.0.0-20230815042559-b34984be7444/go.mod h1:IqS3vAMyt1fVCWS7RqGeUw1EFnL/ruUMha45G2T+YNM=
+git.zhangdeman.cn/zhangdeman/util v0.0.0-20231014142840-445c6407db92 h1:p1GVRYJc3NNoZeLs4CukitAbM3O/ALNq3l31cnbBQDM=
+git.zhangdeman.cn/zhangdeman/util v0.0.0-20231014142840-445c6407db92/go.mod h1:6OBeuwKy2J1TjdAwStEyC6aYC3kStmJiCg1eFC7g0fk=
 github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8=
 github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/axgle/mahonia v0.0.0-20180208002826-3358181d7394 h1:OYA+5W64v3OgClL+IrOD63t4i/RW7RqrAVl9LTZ9UqQ=