diff --git a/README.md b/README.md
index 4b211b9..325c0aa 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,7 @@ The technical documents are intended for a technical audience and represent the
 * [Corona-Warn-App Mobile Client (iOS) Architecture](https://github.com/corona-warn-app/cwa-app-ios/blob/development/docs/architecture-overview.md)
 * [Criteria for the Evaluation of Contact Tracing Apps](pruefsteine.md)
 * [Corona-Warn-App Security Overview](overview-security.md)
+* [Corona-Warn-App Backend Infrastructure Architecture Overview](https://github.com/corona-warn-app/cwa-documentation/blob/master/backend-infrastructure-architecture.pdf)
 
 To be published:
 * System Operation