diff --git a/README.md b/README.md
index 89d256587..5f77b4dd1 100644
--- a/README.md
+++ b/README.md
@@ -64,10 +64,9 @@ https://user-images.githubusercontent.com/10410257/154433305-416d129b-60c8-44c7-
 
 ## Changelog
 
-**0.3.0** was released in 29/4/2022:
+**0.3.1** was released in 6/6/2022:
 
-- Support TorchServe (#160)
-- Support Rotated ATSS (CVPR'20) (#179)
+- Support Rotated FCOS (#223)
 
 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 6c7910824..48829bc33 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -62,10 +62,9 @@ https://user-images.githubusercontent.com/10410257/154433305-416d129b-60c8-44c7-
 
 ## 更新日志
 
-最新的 **0.3.0** 版本已经在 2022.04.29 发布:
+最新的 **0.3.1** 版本已经在 2022.06.06 发布:
 
-- 支持了 TorchServe (#160)
-- 支持了 Rotated ATSS-OBB (CVPR'20) 模型 (#179)
+- 支持了 Rotated FCOS 模型 (#223)
 
 如果想了解更多版本更新细节和历史信息，请阅读[更新日志](docs/en/changelog.md)。
 
diff --git a/docs/en/changelog.md b/docs/en/changelog.md
index 28cbf5b30..ad63a981d 100644
--- a/docs/en/changelog.md
+++ b/docs/en/changelog.md
@@ -1,5 +1,38 @@
 ## Changelog
 
+### v0.3.1 (6/6/2022)
+
+#### Highlight
+
+- Support Rotated FCOS (#223)
+
+#### New Features
+
+- Update PolyRandomRotate to support discrete angle value. (#281)
+- Support RRandomCrop. (#322)
+- Support mask in merge_results and huge_image_demo.py. (#280)
+- Support don't filter images without ground truths. (#323)
+- Add MultiImageMixDataset in build_dataset. (#331)
+
+#### Bug Fixes
+
+- Fix error in Windows CI. (#324)
+- Fix data path error in config files. (#328)
+- Fix bug when visualize the HRSC2016 detect results. (#329)
+
+#### Improvements
+
+- Add torchserve doc in zh_cn. (#287)
+- Fix doc typo in README. (#284)
+- Configure Myst-parser to parse anchor tag (#305 #308)
+- Replace markdownlint with mdformat for avoiding installing ruby. (#306)
+- Fix typo about split gap of multi scale. (#272)
+
+#### Contributors
+
+A total of 7 developers contributed to this release.
+Thanks @liuyanyi @nijkah @remi-or @yangxue0827 @jbwang1997 @zytx121 @ZwwWayne
+
 ### v0.3.0 (29/4/2022)
 
 #### Highlight
diff --git a/docs/en/install.md b/docs/en/install.md
index 21e0ed3b1..b82da3227 100644
--- a/docs/en/install.md
+++ b/docs/en/install.md
@@ -13,6 +13,7 @@ Compatible MMCV, MMClassification and MMDetection versions are shown as below. P
 | MMRotate version |       MMCV version        | MMDetection version |
 | :--------------: | :-----------------------: | :-----------------: |
 |       main       | mmcv-full>=1.4.5, \<1.6.0 |   mmdet >= 2.22.0   |
+|      0.3.1       | mmcv-full>=1.4.5, \<1.6.0 |   mmdet >= 2.22.0   |
 |      0.3.0       | mmcv-full>=1.4.5, \<1.6.0 |   mmdet >= 2.22.0   |
 |      0.2.0       | mmcv-full>=1.4.5, \<1.5.0 |   mmdet >= 2.19.0   |
 |      0.1.1       | mmcv-full>=1.4.5, \<1.5.0 |   mmdet >= 2.19.0   |
diff --git a/docs/zh_cn/install.md b/docs/zh_cn/install.md
index 5ea00104d..17e976dc1 100644
--- a/docs/zh_cn/install.md
+++ b/docs/zh_cn/install.md
@@ -13,6 +13,7 @@ MMRotate 和 MMCV, MMDet 版本兼容性如下所示，需要安装正确的版
 | MMRotate 版本 |          MMCV 版本          | MMDetection 版本  |
 | :---------: | :-----------------------: | :-------------: |
 |    main     | mmcv-full>=1.4.5, \<1.6.0 | mmdet >= 2.22.0 |
+|    0.3.1    | mmcv-full>=1.4.5, \<1.6.0 | mmdet >= 2.22.0 |
 |    0.3.0    | mmcv-full>=1.4.5, \<1.6.0 | mmdet >= 2.22.0 |
 |    0.2.0    | mmcv-full>=1.4.5, \<1.5.0 | mmdet >= 2.19.0 |
 |    0.1.1    | mmcv-full>=1.4.5, \<1.5.0 | mmdet >= 2.19.0 |
diff --git a/mmrotate/version.py b/mmrotate/version.py
index 83054ed42..489f703df 100644
--- a/mmrotate/version.py
+++ b/mmrotate/version.py
@@ -1,6 +1,6 @@
 # Copyright (c) OpenMMLab. All rights reserved.
 
-__version__ = '0.3.0'
+__version__ = '0.3.1'
 short_version = __version__