diff --git a/README.md b/README.md
index 91a5ef5..0e9ebbc 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # Prometheus Service
 
+## This service has reached end of life on December 22nd, 2023 similar to [Keptn V1](https://github.com/keptn/keptn).
+
 ![GitHub release (latest by date)](https://img.shields.io/github/v/release/keptn-contrib/prometheus-service)
 [![Go Report Card](https://goreportcard.com/badge/github.com/keptn-contrib/prometheus-service)](https://goreportcard.com/report/github.com/keptn-contrib/prometheus-service)