diff --git a/test/saucelabs.js b/test/saucelabs.js
index 96414f560..27287b078 100644
--- a/test/saucelabs.js
+++ b/test/saucelabs.js
@@ -106,8 +106,8 @@ var platforms = [
   ['Linux', 'android', '5.1'],
   ['Windows 10', 'chrome', '53'],
   ['Windows 10', 'chrome', '52'],
+  ['Windows 10', 'firefox', '49'],
   ['Windows 10', 'firefox', '48'],
-  ['Windows 10', 'firefox', '47'],
   ['Windows 10', 'microsoftedge', '13'],
   ['Windows 10', 'internet explorer', '11'],
   ['Windows 8', 'internet explorer', '10'],