diff --git a/releases/symfony.json b/releases/symfony.json
index 3afe6848..cb4fdc02 100644
--- a/releases/symfony.json
+++ b/releases/symfony.json
@@ -1,4 +1,6 @@
 {
+  "6.3.11": "2023-12-30",
+  "5.4.34": "2023-12-30",
   "7.0.1": "2023-12-01",
   "6.4.1": "2023-12-01",
   "6.3.10": "2023-12-01",