diff --git a/latest.json b/latest.json
index 91df80dab6b..707ba83022e 100644
--- a/latest.json
+++ b/latest.json
@@ -1,4 +1,4 @@
 {
   "stable": "8.3.4",
-  "testing": "8.3.4"
+  "testing": "8.4.0-beta1"
 }