diff --git a/package.json b/package.json
index ff871a03..ae8d2630 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,6 @@
     "typescript": "^1.8.7"
   },
   "dependencies": {
-    "pxt-core": "0.3.87"
+    "pxt-core": "0.3.90"
   }
 }