diff --git a/package.json b/package.json
index c53e9c6a..c3de1d34 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
   },
   "dependencies": {
     "pxt-common-packages": "6.16.37",
-    "pxt-core": "5.30.19"
+    "pxt-core": "5.30.21"
   },
   "scripts": {
     "test": "node node_modules/pxt-core/built/pxt.js travis"