diff --git a/.travis.yml b/.travis.yml
index 02de14c..ff6faba 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,4 +17,4 @@ before_script:
   - "sh -e /etc/init.d/xvfb start"
 script: cd $TEST_DIR && npm install && npm test
 addons:
-  firefox: "46.0"
+  firefox: "53.0"
diff --git a/ghostjs-examples/package.json b/ghostjs-examples/package.json
index 2acd4b2..234460a 100644
--- a/ghostjs-examples/package.json
+++ b/ghostjs-examples/package.json
@@ -6,7 +6,7 @@
   "scripts": {
     "test": "npm run test:phantom && npm run test:slimerjs",
     "test:phantom": "ghostjs test/*.js",
-    "test:slimerjs": "ghostjs --ghost-runner slimerjs-firefox test/*.js"
+    "test:slimerjs": "ghostjs --ghost-runner slimerjs-core test/*.js"
   },
   "author": "Kevin Grandon <kevingrandon@yahoo.com>",
   "license": "MPL-2.0",
@@ -16,7 +16,7 @@
     "ghostjs": "file:../ghostjs-core",
     "hapi": "^14.1.0",
     "inert": "^4.0.1",
-    "slimerjs-firefox": "^1.0.5-no-download"
+    "slimerjs-core": "^0.12.0"
   },
   "devDependencies": {
     "babel-eslint": "^6.1.2",