diff --git a/package.json b/package.json
index d1f2c246..7c99f773 100644
--- a/package.json
+++ b/package.json
@@ -71,6 +71,6 @@
   },
   "engines": {
     "node": "6.11.4",
-    "yarn": "1.2.1"
+    "yarn": "^1.2.1"
   }
 }