diff --git a/wct.conf.json b/wct.conf.json
index aa3d60679a..f19fe9bb50 100644
--- a/wct.conf.json
+++ b/wct.conf.json
@@ -9,7 +9,7 @@
         }, {
           "browserName": "safari",
           "platform": "macOS 10.12",
-          "version": "10.0"
+          "version": "10"
         }, {
           "browserName": "firefox",
           "platform": "Windows 10",