diff --git a/README.md b/README.md
index fe0015c..265bc17 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ MQTT_PASSWORD=
 ```
 ### Node.js
 It's a typical node.js application, define the same environment values as described in the docker sections and run with:
-`npm run start`. Currently, this is only tested with Node.js 12.x.
+`npm run start`. Currently, this is only tested with Node.js 18.x.
 
 ### Home Assistant configuration templates
 MQTT auto discovery is enabled. For further integrations and screenshots see [HA-MQTT.md](HA-MQTT.md).