diff --git a/package.json b/package.json
index 2f70be62..97144470 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pxt-calliope",
-  "version": "0.5.49",
+  "version": "0.5.50",
   "description": "calliope target for PXT",
   "keywords": [
     "JavaScript",
@@ -30,7 +30,7 @@
     "typescript": "^1.8.7"
   },
   "dependencies": {
-    "pxt-core": "0.5.27",
+    "pxt-core": "0.5.28",
     "less": "^2.6.0",
     "semantic-ui-less": "^2.2.4"
   }