diff --git a/package.json b/package.json
index da97f8a4b7..3066366ea5 100644
--- a/package.json
+++ b/package.json
@@ -2,5 +2,5 @@
     "name": "framework-arduinoespressif8266",
     "description": "Arduino Wiring-based Framework (ESP8266 Core)",
     "url": "https://github.com/esp8266/Arduino",
-    "version": "2.4.0-rc.1"
+    "version": "2.4.0-rc2"
 }