diff --git a/test_runner/regress/test_hot_standby.py b/test_runner/regress/test_hot_standby.py
index 0497e1965c..ac3315b86f 100644
--- a/test_runner/regress/test_hot_standby.py
+++ b/test_runner/regress/test_hot_standby.py
@@ -84,3 +84,21 @@ def test_hot_standby(neon_simple_env: NeonEnv):
     # clean up
     if slow_down_send:
         sk_http.configure_failpoints(("sk-send-wal-replica-sleep", "off"))
+
+
+def test_2_replicas_start(neon_simple_env: NeonEnv):
+    env = neon_simple_env
+
+    with env.endpoints.create_start(
+        branch_name="main",
+        endpoint_id="primary",
+    ) as primary:
+        time.sleep(1)
+        with env.endpoints.new_replica_start(
+            origin=primary, endpoint_id="secondary1"
+        ) as secondary1:
+            with env.endpoints.new_replica_start(
+                origin=primary, endpoint_id="secondary2"
+            ) as secondary2:
+                wait_replica_caughtup(primary, secondary1)
+                wait_replica_caughtup(primary, secondary2)
diff --git a/test_runner/regress/test_replication_start.py b/test_runner/regress/test_replication_start.py
index b4699c7be8..2360745990 100644
--- a/test_runner/regress/test_replication_start.py
+++ b/test_runner/regress/test_replication_start.py
@@ -1,7 +1,9 @@
+import pytest
 from fixtures.log_helper import log
 from fixtures.neon_fixtures import NeonEnv, wait_replica_caughtup
 
 
+@pytest.mark.xfail
 def test_replication_start(neon_simple_env: NeonEnv):
     env = neon_simple_env
 
diff --git a/vendor/postgres-v14 b/vendor/postgres-v14
index c5d920a7d9..748643b468 160000
--- a/vendor/postgres-v14
+++ b/vendor/postgres-v14
@@ -1 +1 @@
-Subproject commit c5d920a7d9e9cbeb62b6c46f292db08162763f68
+Subproject commit 748643b4683e9fe3b105011a6ba8a687d032cd65
diff --git a/vendor/postgres-v15 b/vendor/postgres-v15
index af9ab67bc8..e7651e79c0 160000
--- a/vendor/postgres-v15
+++ b/vendor/postgres-v15
@@ -1 +1 @@
-Subproject commit af9ab67bc80afd94e4eb11c34f50c0a29c37eb1b
+Subproject commit e7651e79c0c27fbddc3c724f5b9553222c28e395
diff --git a/vendor/postgres-v16 b/vendor/postgres-v16
index 111e82c45d..3946b2e2ea 160000
--- a/vendor/postgres-v16
+++ b/vendor/postgres-v16
@@ -1 +1 @@
-Subproject commit 111e82c45d79728fdd3a4816605378c3cc5cfe84
+Subproject commit 3946b2e2ea71d07af092099cb5bcae76a69b90d6
diff --git a/vendor/revisions.json b/vendor/revisions.json
index 18959f2ef2..3c1b866137 100644
--- a/vendor/revisions.json
+++ b/vendor/revisions.json
@@ -1,5 +1,5 @@
 {
-  "postgres-v16": "111e82c45d79728fdd3a4816605378c3cc5cfe84",
-  "postgres-v15": "af9ab67bc80afd94e4eb11c34f50c0a29c37eb1b",
-  "postgres-v14": "c5d920a7d9e9cbeb62b6c46f292db08162763f68"
+  "postgres-v16": "3946b2e2ea71d07af092099cb5bcae76a69b90d6",
+  "postgres-v15": "e7651e79c0c27fbddc3c724f5b9553222c28e395",
+  "postgres-v14": "748643b4683e9fe3b105011a6ba8a687d032cd65"
 }