diff --git a/releases/contao.json b/releases/contao.json
index 0f400df7..b07df47b 100644
--- a/releases/contao.json
+++ b/releases/contao.json
@@ -48,6 +48,7 @@
   "4.13.19": "2023-04-04",
   "4.13.2": "2022-03-31",
   "4.13.20": "2023-04-19",
+  "4.13.21": "2023-04-25",
   "4.13.3": "2022-05-05",
   "4.13.4": "2022-05-05",
   "4.13.5": "2022-06-03",
@@ -213,6 +214,7 @@
   "4.9.38": "2023-01-13",
   "4.9.39": "2023-02-16",
   "4.9.4": "2020-07-09",
+  "4.9.40": "2023-04-25",
   "4.9.5": "2020-08-10",
   "4.9.6": "2020-09-24",
   "4.9.7": "2020-09-25",
@@ -232,5 +234,6 @@
   "5.1.0": "2023-02-16",
   "5.1.1": "2023-03-16",
   "5.1.2": "2023-04-04",
-  "5.1.3": "2023-04-19"
+  "5.1.3": "2023-04-19",
+  "5.1.4": "2023-04-25"
 }
\ No newline at end of file
diff --git a/releases/plesk.json b/releases/plesk.json
index 65f5effd..e075af63 100644
--- a/releases/plesk.json
+++ b/releases/plesk.json
@@ -1,4 +1,5 @@
 {
+  "18.0.52": "2023-04-25",
   "18.0.51.1": "2023-04-05",
   "18.0.51": "2023-03-14",
   "18.0.50.2": "2023-02-14",
diff --git a/releases/zabbix.json b/releases/zabbix.json
index b61f1f62..b0c41664 100644
--- a/releases/zabbix.json
+++ b/releases/zabbix.json
@@ -99,5 +99,6 @@
   "6.0.8": "2022-08-29",
   "6.0.9": "2022-09-21",
   "6.4.0": "2023-03-06",
-  "6.4.1": "2023-04-03"
+  "6.4.1": "2023-04-03",
+  "6.4.2": "2023-04-25"
 }
\ No newline at end of file