diff --git a/latest.json b/latest.json
index 83d50b8246b..5c2a5f75ec9 100644
--- a/latest.json
+++ b/latest.json
@@ -1,4 +1,4 @@
 {
   "stable": "6.2.5",
-  "testing": "6.3.0-beta2"
+  "testing": "6.3.0-beta4"
 }