Updated GoUsers (markdown)
diff --git a/GoUsers.md b/GoUsers.md
index 23f3e6d..7558e9a 100644
--- a/GoUsers.md
+++ b/GoUsers.md
@@ -889,6 +889,7 @@
* [Retail AI, Inc.](https://www.retail-ai.jp)
* [Retty Inc.](https://corp.retty.me)
* [redish Inc.](https://www.redish.jp) - Message delivery service on AWS Lambda
+ * [ROLLCAKE Inc.](https://rollcake.co/)
* [SAKURA Internet Inc.](https://www.sakura.ad.jp/) - [github](https://github.com/sakura-internet)
* [Arukas](https://arukas.io/en/) - [github](https://github.com/arukasio) - Docker Container Hosting
* [Web Accelerator](http://cloud.sakura.ad.jp/specification/web-accelerator/)