diff --git a/package.json b/package.json
index 0e7a8aaff..da3645a05 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "repository": "https://github.com/bustle/mobiledoc-kit",
   "scripts": {
     "start": "broccoli serve --host 0.0.0.0",
-    "test:ci": "PATH=node_modules/phantomjs-prebuilt/bin/:$PATH npm run build:docs && npm run build && testem ci -f testem-ci.json",
+    "test:ci": "npm run build:docs && npm run build && testem ci -f testem-ci.json",
     "test": "npm run build:docs && npm run build && testem ci -f testem.json",
     "build": "rm -rf dist && broccoli build dist",
     "build:docs": "jsdoc -c ./.jsdoc",
diff --git a/testem.json b/testem.json
index 8c08685d5..e151367e0 100644
--- a/testem.json
+++ b/testem.json
@@ -8,6 +8,11 @@
   "launch_in_dev": [
     "Chrome"
   ],
+  "launch_in_ci": [
+    "Chrome",
+    "Firefox",
+    "Safari"
+  ],
   "browser_args": {
     "Chrome": [
       "--disable-gpu",