diff --git a/releases/roundcube.json b/releases/roundcube.json
index 3738dede..85b382a3 100644
--- a/releases/roundcube.json
+++ b/releases/roundcube.json
@@ -1,5 +1,9 @@
 {
   "versions": {
+    "1.6.6": {
+      "name": "1.6.6",
+      "date": "2024-01-20"
+    },
     "1.4.16": {
       "name": "1.4.16",
       "date": "2023-12-10"