diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f75658..2d83b71 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,22 @@
 
 ## [Unreleased]
 
+## [3.3.0](https://github.com/WorksApplications/elasticsearch-sudachi/releases/tag/v3.3.0) - 2024-11-13
+
+### Added
+
+- `allow_empty_morpheme` is added to the `sudachi_tokenizer` settings (#151)
+  - This allows morphemes to have an empty span (bool, default `false`)
+
+### Changed
+
+- spi changed to implement #149
+  - New methods are added to `MorphemeAttribute`
+
+### Fixed
+
+- Offset correction of `SudachiSplitFilter` now works properly with char filters (#149)
+
 ## [3.2.3] - 2024-10-16
 
 ### Added
diff --git a/README.md b/README.md
index 4e1b05e..4a35c36 100644
--- a/README.md
+++ b/README.md
@@ -7,8 +7,10 @@ analysis-sudachi is an Elasticsearch plugin for tokenization of Japanese text us
 
 # What's new?
 
-- [3.2.3]
-  - Add support for es ~v8.15.2 and os ~v2.17.1
+- [3.3.0]
+  - `allow_empty_morpheme` is added to the `sudachi_tokenizer` settings (#151)
+  - Offset correction of `SudachiSplitFilter` now works properly with char filters (#149)
+  - spi changed to implement #149
 
 Check [changelog](./CHANGELOG.md) for more.