diff --git a/.zuul.yml b/.zuul.yml
index 39c931c..647c0e2 100644
--- a/.zuul.yml
+++ b/.zuul.yml
@@ -3,10 +3,10 @@ browsers:
   - name: chrome
     version: latest
   - name: firefox
-    version: latest
+    version: 27..latest
   - name: ie
-    version: latest
+    version: 9..latest
   - name: iphone
-    version: latest
+    version: 6.1..latest
   - name: android
-    version: latest
+    version: 4.0..latest
diff --git a/tests/test-qcode-decoder.js b/tests/test-qcode-decoder.js
index 6901fe7..8344788 100644
--- a/tests/test-qcode-decoder.js
+++ b/tests/test-qcode-decoder.js
@@ -5,9 +5,9 @@ var QCodeDecoder = require('../src/qcode-decoder');
 
 describe('QCodeDecoder', function() {
   global.mocha.checkLeaks = false;
-  global.mocha.timeout = 20000;
+  this.timeout(20000);
 
-  it('be defined', function() {
+  it('be defined', function () {
     assert(!!QCodeDecoder);
   });