diff --git a/USERS.md b/USERS.md
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+++ b/USERS.md
@@ -22,4 +22,5 @@ information to this file.
 | [American Express](https://www.americanexpress.com) | proof-of-concept | Orchestration of both internal cluster workloads and local developer environments. | London, GB | January 2020 |
 | [Sportradar](https://www.sportradar.com) | production | Since mid-2019, we've been deploying our core infrastructure and several application stacks with Helmfile. | St. Gallen, Switzerland | March 2020 |
 | [PedidosYa](https://www.pedidosya.com) | production | | Montevideo, Uruguay | June 2020 |
+| [Jenkins OSS](https://jenkins.io) | production | [jenkins-infra/charts](https://github.com/jenkins-infra/charts) | * | July 2020 |
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