diff --git a/grunt/sauce_browsers.yml b/grunt/sauce_browsers.yml
index c895bab299..bad7eb02cd 100644
--- a/grunt/sauce_browsers.yml
+++ b/grunt/sauce_browsers.yml
@@ -3,15 +3,15 @@
 
   {
     browserName: "safari",
-    platform: "OS X 10.9"
+    platform: "OS X 10.10"
   },
   {
     browserName: "chrome",
-    platform: "OS X 10.9"
+    platform: "OS X 10.10"
   },
   {
     browserName: "firefox",
-    platform: "OS X 10.9"
+    platform: "OS X 10.10"
   },
 
   # Mac Opera not currently supported by Sauce Labs