diff --git a/lib/plugins/install/tests/install.js b/lib/plugins/install/tests/install.js
index 492ee915f..f099a2c21 100644
--- a/lib/plugins/install/tests/install.js
+++ b/lib/plugins/install/tests/install.js
@@ -1,13 +1,18 @@
 'use strict';
 
 const expect = require('chai').expect;
-const Install = require('../install.js');
 const Serverless = require('../../../Serverless');
 const sinon = require('sinon');
 const BbPromise = require('bluebird');
 const testUtils = require('../../../../tests/utils');
 const fse = require('fs-extra');
 const path = require('path');
+const proxyquire = require('proxyquire');
+
+const downloadStub = sinon.stub().returns(BbPromise.resolve());
+const Install = proxyquire('../install.js', {
+  download: downloadStub,
+});
 
 describe('Install', () => {
   let install;
@@ -16,6 +21,7 @@ describe('Install', () => {
   beforeEach(() => {
     serverless = new Serverless();
     install = new Install(serverless);
+    serverless.init();
   });
 
   describe('#constructor()', () => {
@@ -62,5 +68,14 @@ describe('Install', () => {
 
       process.chdir(cwd);
     });
+
+    it('should download the service based on the GitHub URL', () => {
+      install.options = { url: 'https://github.com/johndoe/service-to-be-downloaded' };
+
+      return install.install().then(() => {
+        expect(downloadStub.calledOnce).to.equal(true);
+        expect(downloadStub.args[0][0]).to.equal(`${install.options.url}/archive/master.zip`);
+      });
+    });
   });
 });
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 33b3b689a..98bc0c729 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -623,6 +623,11 @@
       "from": "filenamify@>=1.2.1 <2.0.0",
       "resolved": "https://registry.npmjs.org/filenamify/-/filenamify-1.2.1.tgz"
     },
+    "fill-keys": {
+      "version": "1.0.2",
+      "from": "fill-keys@>=1.0.2 <2.0.0",
+      "resolved": "https://registry.npmjs.org/fill-keys/-/fill-keys-1.0.2.tgz"
+    },
     "find-up": {
       "version": "1.1.2",
       "from": "find-up@>=1.0.0 <2.0.0",
@@ -887,6 +892,11 @@
       "from": "is-natural-number@>=2.0.0 <3.0.0",
       "resolved": "https://registry.npmjs.org/is-natural-number/-/is-natural-number-2.1.1.tgz"
     },
+    "is-object": {
+      "version": "1.0.1",
+      "from": "is-object@>=1.0.1 <1.1.0",
+      "resolved": "https://registry.npmjs.org/is-object/-/is-object-1.0.1.tgz"
+    },
     "is-path-cwd": {
       "version": "1.0.0",
       "from": "is-path-cwd@>=1.0.0 <2.0.0",
@@ -1167,6 +1177,11 @@
       "from": "lowercase-keys@>=1.0.0 <2.0.0",
       "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.0.tgz"
     },
+    "merge-descriptors": {
+      "version": "1.0.1",
+      "from": "merge-descriptors@>=1.0.0 <1.1.0",
+      "resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-1.0.1.tgz"
+    },
     "methods": {
       "version": "1.1.2",
       "from": "methods@>=1.1.1 <1.2.0",
@@ -1209,6 +1224,11 @@
         }
       }
     },
+    "module-not-found-error": {
+      "version": "1.0.1",
+      "from": "module-not-found-error@>=1.0.0 <2.0.0",
+      "resolved": "https://registry.npmjs.org/module-not-found-error/-/module-not-found-error-1.0.1.tgz"
+    },
     "moment": {
       "version": "2.15.1",
       "from": "moment@2.15.1",
diff --git a/package.json b/package.json
index 27cf35584..8874c0849 100644
--- a/package.json
+++ b/package.json
@@ -58,6 +58,7 @@
     "mocha": "^3.0.2",
     "mocha-lcov-reporter": "^1.2.0",
     "mock-require": "^1.3.0",
+    "proxyquire": "^1.7.10",
     "sinon": "^1.17.5"
   },
   "dependencies": {