diff --git a/package.json b/package.json
index 4b386ed33f..85696ecf0b 100644
--- a/package.json
+++ b/package.json
@@ -158,6 +158,7 @@
     "ignore": [
       "dist",
       "docs",
+      "sandbox",
       "test/dist",
       "test/api",
       "core.js"