diff --git a/releases/plesk.json b/releases/plesk.json
index cf41d417..66a6465c 100644
--- a/releases/plesk.json
+++ b/releases/plesk.json
@@ -1,4 +1,5 @@
 {
+  "18.0.56.4": "2023-11-07",
   "18.0.56.3": "2023-11-01",
   "18.0.56.2": "2023-10-27",
   "18.0.56.1": "2023-10-18",
diff --git a/releases/redhat.json b/releases/redhat.json
index 0e3fd29b..c2316f14 100644
--- a/releases/redhat.json
+++ b/releases/redhat.json
@@ -1,4 +1,5 @@
 {
+  "9.3": "2023-11-07",
   "9.2": "2023-05-10",
   "9.1": "2022-11-15",
   "9.0": "2022-05-17",
diff --git a/releases/silverstripe.json b/releases/silverstripe.json
index eb08487c..43b7045c 100644
--- a/releases/silverstripe.json
+++ b/releases/silverstripe.json
@@ -143,6 +143,7 @@
   "4.13.6": "2023-09-01",
   "4.13.7": "2023-09-07",
   "4.13.8": "2023-09-22",
+  "4.13.9": "2023-11-07",
   "4.2.0": "2018-07-24",
   "4.2.1": "2018-07-30",
   "4.2.2": "2018-11-07",
diff --git a/releases/umbraco.json b/releases/umbraco.json
index bb32ffe0..bb53def8 100644
--- a/releases/umbraco.json
+++ b/releases/umbraco.json
@@ -34,6 +34,7 @@
   "12.1.2": "2023-08-28",
   "12.2.0": "2023-09-20",
   "12.3.0": "2023-11-01",
+  "12.3.1": "2023-11-07",
   "4.11.10": "2013-06-20",
   "4.11.6": "2013-03-27",
   "4.11.7": "2013-04-23",