diff --git a/package.json b/package.json
index 0385f0e4..4246f9c1 100644
--- a/package.json
+++ b/package.json
@@ -73,5 +73,16 @@
     "proxyquire": "^1.3.1",
     "rimraf": "^2.4.2",
     "sinon": "^1.15.4"
-  }
+  },
+  "engines": {
+    "node": ">=0.12.0"
+  },
+  "os": [
+    "darwin",
+    "linux"
+  ],
+  "cpu": [
+    "x64"
+  ],
+  "license": "MIT"
 }