diff --git a/package.json b/package.json
index 3ec5a598..18f417c8 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,6 @@
   },
   "dependencies": {
     "pxt-common-packages": "6.9.3",
-    "pxt-core": "5.15.8"
+    "pxt-core": "5.15.9"
   }
 }