diff --git a/README.md b/README.md
index ebdce83fe4..0eb11cedc2 100644
--- a/README.md
+++ b/README.md
@@ -246,7 +246,7 @@ Reference to cite when you use Milvus in a research paper:
 }
 ```
 <!-- Do not remove start of hero-bot -->
-<img src="https://img.shields.io/badge/all--contributors-432-orange"><br>
+<img src="https://img.shields.io/badge/all--contributors-433-orange"><br>
 <a href="https://github.com/0xflotus"><img src="https://avatars.githubusercontent.com/u/26602940?v=4" width="30px" /></a>
 <a href="https://github.com/ABNER-1"><img src="https://avatars.githubusercontent.com/u/24547351?v=4" width="30px" /></a>
 <a href="https://github.com/Abhijnan-Bajpai"><img src="https://avatars.githubusercontent.com/u/57059194?v=4" width="30px" /></a>
@@ -527,6 +527,7 @@ Reference to cite when you use Milvus in a research paper:
 <a href="https://github.com/matchyc"><img src="https://avatars.githubusercontent.com/u/57976772?v=4" width="30px" /></a>
 <a href="https://github.com/matrixji"><img src="https://avatars.githubusercontent.com/u/183388?v=4" width="30px" /></a>
 <a href="https://github.com/mausch"><img src="https://avatars.githubusercontent.com/u/95194?v=4" width="30px" /></a>
+<a href="https://github.com/mihailyanchev"><img src="https://avatars.githubusercontent.com/u/34907806?v=4" width="30px" /></a>
 <a href="https://github.com/miia12"><img src="https://avatars.githubusercontent.com/u/22544815?v=4" width="30px" /></a>
 <a href="https://github.com/mileyzjq"><img src="https://avatars.githubusercontent.com/u/37039827?v=4" width="30px" /></a>
 <a href="https://github.com/milvus-ci-robot"><img src="https://avatars.githubusercontent.com/u/87847967?v=4" width="30px" /></a>
diff --git a/README_CN.md b/README_CN.md
index 56bc40a6a5..3c9dd0b58a 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -183,7 +183,7 @@ Milvus [训练营](https://github.com/milvus-io/bootcamp)能够帮助你了解
 ### All contributors
 
 <br><!-- Do not remove start of hero-bot -->
-<img src="https://img.shields.io/badge/all--contributors-432-orange"><br>
+<img src="https://img.shields.io/badge/all--contributors-433-orange"><br>
 <a href="https://github.com/0xflotus"><img src="https://avatars.githubusercontent.com/u/26602940?v=4" width="30px" /></a>
 <a href="https://github.com/ABNER-1"><img src="https://avatars.githubusercontent.com/u/24547351?v=4" width="30px" /></a>
 <a href="https://github.com/Abhijnan-Bajpai"><img src="https://avatars.githubusercontent.com/u/57059194?v=4" width="30px" /></a>
@@ -464,6 +464,7 @@ Milvus [训练营](https://github.com/milvus-io/bootcamp)能够帮助你了解
 <a href="https://github.com/matchyc"><img src="https://avatars.githubusercontent.com/u/57976772?v=4" width="30px" /></a>
 <a href="https://github.com/matrixji"><img src="https://avatars.githubusercontent.com/u/183388?v=4" width="30px" /></a>
 <a href="https://github.com/mausch"><img src="https://avatars.githubusercontent.com/u/95194?v=4" width="30px" /></a>
+<a href="https://github.com/mihailyanchev"><img src="https://avatars.githubusercontent.com/u/34907806?v=4" width="30px" /></a>
 <a href="https://github.com/miia12"><img src="https://avatars.githubusercontent.com/u/22544815?v=4" width="30px" /></a>
 <a href="https://github.com/mileyzjq"><img src="https://avatars.githubusercontent.com/u/37039827?v=4" width="30px" /></a>
 <a href="https://github.com/milvus-ci-robot"><img src="https://avatars.githubusercontent.com/u/87847967?v=4" width="30px" /></a>