diff --git a/README.md b/README.md
index c8984e3..66699e7 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ A curated list of delightful [Forgejo](https://forgejo.org/)-related projects an
 	- [GNU/Linux packages](#gnu-linux-packages)
 	- [Other packages](#other-packages)
 - [Infrastructure as Code](#infrastructure-as-code)
+- [Monitoring](#monitoring)
 - [Clients](#clients)
 	- [Mobile](#mobile)
 	- [Command-line](#command-line)
@@ -72,6 +73,8 @@ Also see [forgejo package versions on Repology](https://repology.org/project/for
 ## Infrastructure as Code
 - [Ansible playbook](https://lab.enough.community/main/infrastructure/-/tree/master/playbooks/forgejo) - Deploy Forgejo & Woodpecker, depends on related [Enough Community](https://enough.community) playbooks.
 
+## Monitoring
+- [Monitoring plugin to check Forgejo instance upgrade status](https://gitea.zionetrix.net/bn8/check_forgejo_upgrade) has the sources and is published in the [Icinga exchange repository](https://exchange.icinga.com/brenard/check_forgejo_upgrade).
 
 ## Clients