diff --git a/releases/amazon-rds-postgresql.json b/releases/amazon-rds-postgresql.json
index 96f978ab..ec974fee 100644
--- a/releases/amazon-rds-postgresql.json
+++ b/releases/amazon-rds-postgresql.json
@@ -118,10 +118,6 @@
       "name": "12.16",
       "date": "2023-08-24"
     },
-    "11.21": {
-      "name": "11.21",
-      "date": "2023-08-24"
-    },
     "15.3": {
       "name": "15.3",
       "date": "2023-05-25"
@@ -138,66 +134,10 @@
       "name": "12.15",
       "date": "2023-05-25"
     },
-    "14.7": {
-      "name": "14.7",
-      "date": "2023-03-07"
-    },
-    "13.10": {
-      "name": "13.10",
-      "date": "2023-03-07"
-    },
-    "12.14": {
-      "name": "12.14",
-      "date": "2023-03-07"
-    },
-    "15.2": {
-      "name": "15.2",
-      "date": "2023-02-28"
-    },
     "15": {
       "name": "15",
       "date": "2023-02-27"
     },
-    "14.6": {
-      "name": "14.6",
-      "date": "2023-01-24"
-    },
-    "13.9": {
-      "name": "13.9",
-      "date": "2023-01-24"
-    },
-    "12.13": {
-      "name": "12.13",
-      "date": "2023-01-24"
-    },
-    "14.5": {
-      "name": "14.5",
-      "date": "2022-11-18"
-    },
-    "13.8": {
-      "name": "13.8",
-      "date": "2022-11-18"
-    },
-    "12.12": {
-      "name": "12.12",
-      "date": "2022-11-18"
-    },
-    "14.4": {
-      "name": "14.4",
-      "date": "2022-09-01"
-    },
-    "14.3": {
-      "name": "14.3",
-      "date": "2022-08-04"
-    },
-    "13.7": {
-      "name": "13.7",
-      "date": "2022-08-04"
-    },
-    "12.11": {
-      "name": "12.11",
-      "date": "2022-08-04"
-    },
     "14": {
       "name": "14",
       "date": "2022-02-03"