diff --git a/vendor/postgres-v16 b/vendor/postgres-v16
index 47a9122a5a..8efa089aa7 160000
--- a/vendor/postgres-v16
+++ b/vendor/postgres-v16
@@ -1 +1 @@
-Subproject commit 47a9122a5a150a3217fafd3f3d4fe8e020ea718a
+Subproject commit 8efa089aa7786381543a4f9efc69b92d43eab8c0
diff --git a/vendor/revisions.json b/vendor/revisions.json
index 2921372c24..50cc99c2f1 100644
--- a/vendor/revisions.json
+++ b/vendor/revisions.json
@@ -1,7 +1,7 @@
 {
   "v16": [
-    "16.3",
-    "47a9122a5a150a3217fafd3f3d4fe8e020ea718a"
+    "16.4",
+    "8efa089aa7786381543a4f9efc69b92d43eab8c0"
   ],
   "v15": [
     "15.8",