diff --git a/package.json b/package.json
index 89a3e685..49e81973 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "semantic-ui-less": "^2.2.4"
   },
   "dependencies": {
-    "pxt-core": "0.14.32"
+    "pxt-core": "v0.17.4"
   },
   "scripts": {
     "test": "node node_modules/pxt-core/built/pxt.js travis"