Downgrade Yarn requirement for appveyor support

sebastian-software · May 31, 2017 · e0079fc · e0079fc
1 parent 18bf50a
commit e0079fc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/package.json b/package.json
@@ -11,7 +11,7 @@
   "browser:modern": "lib/browser.modern.esmodule.js",
   "engines": {
     "node": ">=6.0.0",
-    "yarn": ">=0.23.0",
+    "yarn": ">=0.21.3",
     "npm": ">=4.0.0"
   },
   "bin": {