diff --git a/package.json b/package.json
index b95d0fe0..ac6186df 100644
--- a/package.json
+++ b/package.json
@@ -41,6 +41,6 @@
     "@types/node": "8.0.53"
   },
   "dependencies": {
-    "pxt-core": "3.18.5"
+    "pxt-core": "3.18.9"
   }
 }