diff --git a/README.md b/README.md
index b685e58e13b..8cd7dbae0f5 100644
--- a/README.md
+++ b/README.md
@@ -117,3 +117,4 @@ We wish that the toolbox and benchmark could serve the growing research communit
 - [MMEditing](https://github.com/open-mmlab/mmediting): OpenMMLab image and video editing toolbox.
 - [MMOCR](https://github.com/open-mmlab/mmocr): OpenMMLab toolbox for text detection, recognition and understanding.
 - [MMGeneration](https://github.com/open-mmlab/mmgeneration): OpenMMlab toolkit for generative models.
+- [MMFlow](https://github.com/open-mmlab/mmflow) OpenMMLab optical flow toolbox and benchmark.
diff --git a/README_zh-CN.md b/README_zh-CN.md
index 3149c38d4a8..6103fe0ae68 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -102,6 +102,7 @@ MMClassification 是一款由不同学校和公司共同贡献的开源项目。
 - [MMEditing](https://github.com/open-mmlab/mmediting): OpenMMLab 图像视频编辑工具箱
 - [MMOCR](https://github.com/open-mmlab/mmocr): OpenMMLab 全流程文字检测识别理解工具包
 - [MMGeneration](https://github.com/open-mmlab/mmgeneration): OpenMMLab 生成模型工具箱
+- [MMFlow](https://github.com/open-mmlab/mmflow): OpenMMLab 光流估计工具箱与测试基准
 
 ## 欢迎加入 OpenMMLab 社区
 
diff --git a/docs/conf.py b/docs/conf.py
index 95138f096ea..f191189a89f 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -115,6 +115,10 @@ def get_version():
                     'name': 'MMCV',
                     'url': 'https://mmcv.readthedocs.io/en/latest/',
                 },
+                {
+                    'name': 'MIM',
+                    'url': 'https://openmim.readthedocs.io/en/latest/'
+                },
                 {
                     'name': 'MMAction2',
                     'url': 'https://mmaction2.readthedocs.io/en/latest/',
@@ -156,6 +160,10 @@ def get_version():
                     'name': 'MMTracking',
                     'url': 'https://mmtracking.readthedocs.io/en/latest/',
                 },
+                {
+                    'name': 'MMFlow',
+                    'url': 'https://mmflow.readthedocs.io/en/latest/',
+                },
             ]
         },
         {
diff --git a/docs_zh-CN/conf.py b/docs_zh-CN/conf.py
index 03db5717635..627d935f064 100644
--- a/docs_zh-CN/conf.py
+++ b/docs_zh-CN/conf.py
@@ -115,6 +115,10 @@ def get_version():
                     'name': 'MMCV',
                     'url': 'https://mmcv.readthedocs.io/zh_CN/latest/',
                 },
+                {
+                    'name': 'MIM',
+                    'url': 'https://openmim.readthedocs.io/en/latest/'
+                },
                 {
                     'name': 'MMAction2',
                     'url': 'https://mmaction2.readthedocs.io/zh_CN/latest/',
@@ -158,6 +162,10 @@ def get_version():
                     'name': 'MMTracking',
                     'url': 'https://mmtracking.readthedocs.io/zh_CN/latest/',
                 },
+                {
+                    'name': 'MMFlow',
+                    'url': 'https://mmflow.readthedocs.io/en/latest/',
+                },
             ]
         },
         {