diff --git a/pxt.json b/pxt.json
index 6a77312..7c74383 100644
--- a/pxt.json
+++ b/pxt.json
@@ -1,6 +1,6 @@
 {
     "name": "yahboom_mbit",
-    "version": "3.0.5",
+    "version": "4.0.0",
     "description": "Extension for YahBoom m:bit V3.0.5",
     "license": "MIT",
     "dependencies": {