diff --git a/package-lock.json b/package-lock.json
index fd0ed95..9d4898d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@rei/vunit",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 176f0f3..b643178 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@rei/vunit",
   "description": "Write unit tests against your Vue components using mocha and vue-test-utils",
-  "version": "1.4.0",
+  "version": "1.4.1",
   "author": "Alex Perkins <peripateticus.gh@gmail.com>",
   "repository": "https://github.com/rei/vunit",
   "license": "MIT",
diff --git a/setup.js b/setup.js
index 865ed38..71a2129 100644
--- a/setup.js
+++ b/setup.js
@@ -2,7 +2,10 @@
 process.stdout.write('Setting up JSDOM...');
 require('jsdom-global')();
 
-// https://github.com/vuejs/vue-test-utils/issues/936#issuecomment-415386167
+// See https://github.com/vuejs/vue/issues/9698
+global.performance = window.performance;
+
+// See https://github.com/vuejs/vue-test-utils/issues/936#issuecomment-415386167
 window.Date = Date;
 
 if (window && window.document) {