diff --git a/package.json b/package.json
index f8f0c313..3134107c 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "semantic-ui-less": "2.2.14"
   },
   "dependencies": {
-    "pxt-core": "0.19.7"
+    "pxt-core": "0.19.20"
   },
   "scripts": {
     "test": "node node_modules/pxt-core/built/pxt.js travis"