From 009d7f0b76dfe421f9b7fc5203695f3c80a8e922 Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Mon, 7 Aug 2017 22:54:33 -0400
Subject: [PATCH] Yarn engines (#6064)

---
 package.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index e8249e1378..4d218cb845 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,8 @@
   },
   "engines": {
     "node": ">= 4.x <= 8.x",
-    "npm": ">= 2.x <= 5.x"
+    "npm": ">= 2.x <= 5.x",
+    "yarn": ">=0.27.5"
   },
   "nyc": {
     "all": true,