diff --git a/package.json b/package.json
index 648824f9..44def930 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,6 @@
     "semantic-ui-less": "^2.2.4"
   },
   "dependencies": {
-    "pxt-core": "0.6.5"
+    "pxt-core": "0.6.6"
   }
 }