bump npm engine req to v2.15.11

this is the version shipping with Node.js v4.8.4
mochajs · Sep 29, 2017 · 35b5d54 · 35b5d54
1 parent 797f1c6
commit 35b5d54
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/package.json b/package.json
@@ -296,7 +296,7 @@
   },
   "engines": {
     "node": ">= 4.0.0",
-    "npm": ">= 2.14.2"
+    "npm": ">= 2.15.11"
   },
   "scripts": {
     "lint": "eslint . bin/*",