diff --git a/README.md b/README.md
index a609ec3350..268d4303ce 100644
--- a/README.md
+++ b/README.md
@@ -84,6 +84,7 @@ We'd love you to join us! Please see the [Contributor Guide](https://pipecd.dev/
 <a href="https://github.com/butterv"><img src="https://avatars.githubusercontent.com/u/15773082?v=4" title="butterv" width="80" height="80"></a>
 <a href="https://github.com/RikiyaFujii"><img src="https://avatars.githubusercontent.com/u/23261497?v=4" title="RikiyaFujii" width="80" height="80"></a>
 <a href="https://github.com/Lennie"><img src="https://avatars.githubusercontent.com/u/330102?v=4" title="Lennie" width="80" height="80"></a>
+<a href="https://github.com/kentakozuka"><img src="https://avatars.githubusercontent.com/u/16733673?v=4" title="kentakozuka" width="80" height="80"></a>
 <a href="https://github.com/masaaania"><img src="https://avatars.githubusercontent.com/u/2755429?v=4" title="masaaania" width="80" height="80"></a>
 <a href="https://github.com/hori-ryota"><img src="https://avatars.githubusercontent.com/u/2936501?v=4" title="hori-ryota" width="80" height="80"></a>
 <a href="https://github.com/sano307"><img src="https://avatars.githubusercontent.com/u/12808316?v=4" title="sano307" width="80" height="80"></a>