diff --git a/stable/prometheus/Chart.yaml b/stable/prometheus/Chart.yaml
index 00daf10cd88e..83fa64836552 100755
--- a/stable/prometheus/Chart.yaml
+++ b/stable/prometheus/Chart.yaml
@@ -1,5 +1,5 @@
 name: prometheus
-version: 3.2.0
+version: 4.0.0
 description: Prometheus is a monitoring system and time series database.
 home: https://prometheus.io/
 icon: https://raw.githubusercontent.com/prometheus/prometheus.github.io/master/assets/prometheus_logo-cb55bb5c346.png