diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a93e8d..163f473 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,21 @@
+# v0.6.0 - 2021/06/01
+
+### Support Colorize option for encoding (#233)
+
+```go
+b, err := json.MarshalWithOption(v, json.Colorize(json.DefaultColorScheme))
+if err != nil {
+  ...
+}
+fmt.Println(string(b)) // print colored json
+```
+
+### Refactor
+
+* Fix opcode layout - Adjust memory layout of the opcode to 128 bytes in a 64-bit environment ( #230 )
+* Refactor encode option ( #231 )
+* Refactor escape string ( #232 )
+
 # v0.5.1 - 2021/5/20
 
 ### Optimization
diff --git a/README.md b/README.md
index 41363be..fe139c6 100644
--- a/README.md
+++ b/README.md
@@ -13,17 +13,12 @@ Fast JSON encoder/decoder compatible with encoding/json for Go
 ```
 * version ( expected release date )
 
-* v0.5.0
- |
- | refactor all sources for maintainability and improve performance
- |
- v
-* v0.6.0 ( 2021/05 Mid )
+* v0.6.0
  |
  | while maintaining compatibility with encoding/json, we will add convenient APIs
  |
  v
-* v1.0.0 ( 2021/06 Mid )
+* v1.0.0 ( 2021/06 )
 ```
 
 We are accepting requests for features that will be implemented between v0.6.0 and v.1.0.0.