diff --git a/docs/gitbook/README.md b/docs/gitbook/README.md
index 0b35a122..76ca0d16 100644
--- a/docs/gitbook/README.md
+++ b/docs/gitbook/README.md
@@ -12,7 +12,7 @@ and running conformance tests.
 Flagger implements several deployment strategies (Canary releases, A/B testing, Blue/Green mirroring)
 using a service mesh (App Mesh, Istio, Linkerd)
 or an ingress controller (Contour, Gloo, NGINX, Skipper, Traefik) for traffic routing.
-For release analysis, Flagger can query Prometheus, Datadog, New Relic or CloudWatch
+For release analysis, Flagger can query Prometheus, Datadog, New Relic, CloudWatch or Graphite
 and for alerting it uses Slack, MS Teams, Discord and Rocket.
 
 ![Flagger overview diagram](https://raw.githubusercontent.com/fluxcd/flagger/main/docs/diagrams/flagger-overview.png)