diff --git a/package.json b/package.json
index 1c33c2a13687..e39b0188ee8c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pxt-core",
-  "version": "13.1.20",
+  "version": "13.1.21",
   "description": "Microsoft MakeCode provides Blocks / JavaScript / Python tools and editors",
   "keywords": [
     "TypeScript",