diff --git a/package.json b/package.json
index 9d90b4c1..aa43bbf7 100644
--- a/package.json
+++ b/package.json
@@ -42,6 +42,6 @@
   },
   "dependencies": {
     "pxt-common-packages": "0.24.2",
-    "pxt-core": "4.1.19"
+    "pxt-core": "4.1.20"
   }
 }