diff --git a/package.json b/package.json
index 13dfbedf2..5ad2898f7 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": "2.5.0-dev"
+    "version": "2.7.0-dev"
 }