diff --git a/releases/symfony.json b/releases/symfony.json
index b83abe45..7a82567a 100644
--- a/releases/symfony.json
+++ b/releases/symfony.json
@@ -589,5 +589,6 @@
   "6.3.2": "2023-07-30",
   "6.3.3": "2023-07-31",
   "6.3.4": "2023-08-26",
-  "6.3.5": "2023-09-30"
+  "6.3.5": "2023-09-30",
+  "6.3.6": "2023-10-21"
 }
\ No newline at end of file