From 1dbc32e6ca06e8987df71662921233c73d5b962e Mon Sep 17 00:00:00 2001
From: Anja Helmbrecht-Schaar <anja.helmbrecht-schaar@hivemq.com>
Date: Thu, 1 Aug 2019 09:23:35 +0200
Subject: [PATCH] Update README.adoc

---
 README.adoc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.adoc b/README.adoc
index 6452c22..cf6ff8b 100755
--- a/README.adoc
+++ b/README.adoc
@@ -7,6 +7,7 @@ This extension allows integration with with load balancers and proxies.
 This extension provides a readiness check via HTTP, which means a service is able to
 detect if a HiveMQ instance is
 offline and the load balancer is thus able to remove the HiveMQ node from the load balancing.
+HiveMQ 4.2.0 is required.
 
 === Installation
 Unzip the file: `hivemq-heartbeat-extension-<version>-distribution.zip` to the directory: `<HIVEMQ_HOME>/extensions`