diff --git a/releases/kirby.json b/releases/kirby.json
index 644c2fb6..66f822c0 100644
--- a/releases/kirby.json
+++ b/releases/kirby.json
@@ -1,4 +1,5 @@
 {
+  "4.0.0": "2023-11-28",
   "3.9.8": "2023-11-14",
   "3.9.7": "2023-10-06",
   "3.8.4.2": "2023-08-10",