diff --git a/browsers.json b/browsers.json
index 22d8382867..ea18d90d67 100644
--- a/browsers.json
+++ b/browsers.json
@@ -7,11 +7,11 @@
     },
     {
       "name": "firefox",
-      "revision": "1137"
+      "revision": "1138"
     },
     {
       "name": "webkit",
-      "revision": "1308"
+      "revision": "1313"
     }
   ]
 }