diff --git a/releases/roundcube.json b/releases/roundcube.json
index 9289f577..57a4ec06 100644
--- a/releases/roundcube.json
+++ b/releases/roundcube.json
@@ -79,9 +79,11 @@
   "1.5.3": "2022-06-26",
   "1.5.4": "2023-09-18",
   "1.5.5": "2023-10-16",
+  "1.5.6": "2023-11-05",
   "1.6.0": "2022-07-25",
   "1.6.1": "2023-01-23",
   "1.6.2": "2023-07-02",
   "1.6.3": "2023-09-15",
-  "1.6.4": "2023-10-16"
+  "1.6.4": "2023-10-16",
+  "1.6.5": "2023-11-05"
 }
\ No newline at end of file