diff --git a/test_runner/batch_others/test_pgbench.py b/test_runner/batch_others/test_pgbench.py
index a5423cf3d7..87faf80b3e 100644
--- a/test_runner/batch_others/test_pgbench.py
+++ b/test_runner/batch_others/test_pgbench.py
@@ -12,5 +12,5 @@ def test_pgbench(postgres: PostgresFactory, pg_bin, zenith_cli):
 
     connstr = pg.connstr()
 
-    pg_bin.run_capture(['pgbench', '-i', connstr])
-    pg_bin.run_capture(['pgbench'] + '-c 10 -T 5 -P 1 -M prepared'.split() + [connstr])
+    pg_bin.run_capture(['pgbench', '-i', '-s', '100', connstr])
+    pg_bin.run_capture(['pgbench'] + '-c 1 -N -T 100 -P 1 -M prepared'.split() + [connstr])
diff --git a/vendor/postgres b/vendor/postgres
index d033b8ee91..7ebb6d04c6 160000
--- a/vendor/postgres
+++ b/vendor/postgres
@@ -1 +1 @@
-Subproject commit d033b8ee9110de0a6fc7807203f31c0e534d0e0b
+Subproject commit 7ebb6d04c6e1d28b8aa47b8f32258a25b8137990