diff --git a/README.md b/README.md
index 1ab0b8fe..4e2c771e 100644
--- a/README.md
+++ b/README.md
@@ -61,12 +61,9 @@ This project is released under the [Apache 2.0 license](LICENSE).
 
 ## Changelog
 
-**v0.3.0** was released in 03/04/2022:
+**v0.4.0** was released in 04/01/2022:
 
-- Officially support CPU train/inference
-- Officially support model inference in windows platform
-- Add census loss, SSIM loss and smoothness loss
-- Update `nan` files in Flyingthings3d_subset dataset
+- Support occlusion estimation methods including flow forward-backward consistency, range map of the backward flow, and flow forward-backward abstract difference
 
 Please refer to [changelog.md](docs/en/changelog.md) for details and release history.
 
diff --git a/README_zh-CN.md b/README_zh-CN.md
index efca81a6..d7867e6e 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -60,12 +60,9 @@ https://user-images.githubusercontent.com/76149310/141947796-af4f1e67-60c9-48ed-
 
 ## 更新日志
 
-最新的 v0.3.0 版本已经在 2022.03.04 发布:
+最新的 v0.4.0 版本已经在 2022.04.01 发布:
 
-- 官方支持 CPU 模型训练和推理
-- 官方支持在 windows 平台上进行模型推理
-- 添加　census loss, SSIM loss, smoothness loss
-- 更新　Flyingthings3d_subset 数据集 `nan` 文件列表
+- 支持三种遮挡估计的方法，包括 flow forward-backward consistency，range map of the backward flow，和 flow forward-backward abstract difference
 
 如果想了解更多版本更新细节和历史信息，请参考[更新日志](docs/en/changelog.md)。
 
diff --git a/docs/en/changelog.md b/docs/en/changelog.md
index 1c1c771f..af115010 100644
--- a/docs/en/changelog.md
+++ b/docs/en/changelog.md
@@ -1,5 +1,21 @@
 # Changelog
 
+# v0.4.0(04/01/2022)
+
+### Highlights
+
+- Support occlusion estimation methods including flow forward-backward consistency, range map of the backward flow, and flow forward-backward abstract difference
+
+### Features
+
+- Support three occlusion estimation methods (#106)
+- Support different seeds on different ranks when distributed training (#104)
+
+### Improvements
+
+- Revise collect_env for win platform (112)
+- Add script and documentation for multi-machine distributed training (#107)
+
 ## v0.3.0(03/04/2022)
 
 ### Highlights
@@ -17,7 +33,7 @@
 
 ### Bug Fixes
 
-- Update `nan` files in Flyingthings3d_subset (94)
+- Update `nan` files in Flyingthings3d_subset (#94)
 - Add pretrained pwcnet-model when train PWCNet+ (#99)
 - Fix bug in non-distributed multi-gpu training/testing (#85)
 - Fix writing flow map bug in test (#83)
diff --git a/mmflow/version.py b/mmflow/version.py
index d1ef7887..bd0af578 100644
--- a/mmflow/version.py
+++ b/mmflow/version.py
@@ -1,6 +1,6 @@
 # Copyright (c) OpenMMLab. All rights reserved.
 
-__version__ = '0.3.0'
+__version__ = '0.4.0'
 short_version = __version__