diff --git a/package.json b/package.json
index 609c174f..0b3a03bf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pxt-microbit",
-  "version": "0.12.20",
+  "version": "0.12.21",
   "description": "micro:bit target for Microsoft MakeCode (PXT)",
   "keywords": [
     "JavaScript",