diff --git a/GoUsers.md b/GoUsers.md
index e89b1194..68bf040d 100644
--- a/GoUsers.md
+++ b/GoUsers.md
@@ -804,6 +804,7 @@
   * [Kanmu, Inc.](https://kanmu.co.jp/)
   * [KAYAC Inc.](https://www.kayac.com/) - [github](https://github.com/kayac)
   * [KLab Inc.](http://www.klab.com/jp/english/)
+  * [Knowledge Work Inc.](https://kwork.studio/)
   * [KRPEO](https://rikitake.jp/)
   * [Kyash Inc](https://kyash.co/en/)
   * [LayerX, Inc](https://layerx.co.jp/)