diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2a972d..b3446ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # 更新日志
 
+4.2.0 - 2025-07-22
+---
+- CHANGE: 支持根据IP(CDIR)进行白名单与屏蔽
+- CHANGE: 进一步推进`json/v2`支持
+
 4.2.0-rc.0 - 2025-07-22
 ---
 - PRE-RELEASE: v4.2.0-rc.0是v4.2.0预发布版本,请勿在生产环境中使用;
diff --git a/VERSION b/VERSION
index a4428cf..ef8d756 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.1.7
\ No newline at end of file
+4.2.0
\ No newline at end of file
diff --git a/go.mod b/go.mod
index 7d21b88..a477615 100644
--- a/go.mod
+++ b/go.mod
@@ -16,6 +16,7 @@ require (
 	github.com/fenthope/ipfilter v0.0.1
 	github.com/fenthope/reco v0.0.3
 	github.com/fenthope/record v0.0.3
+	github.com/go-json-experiment/json v0.0.0-20250714165856-be8212f5270d
 	github.com/hashicorp/golang-lru/v2 v2.0.7
 	github.com/infinite-iroha/touka v0.3.1
 	github.com/wjqserver/modembed v0.0.1
@@ -23,6 +24,5 @@ require (
 
 require (
 	github.com/WJQSERVER-STUDIO/go-utils/copyb v0.0.6 // indirect
-	github.com/go-json-experiment/json v0.0.0-20250714165856-be8212f5270d // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 )