diff --git a/test_runner/regress/test_pg_regress.py b/test_runner/regress/test_pg_regress.py
index 3de6e87e6e..b1aa5c9f72 100644
--- a/test_runner/regress/test_pg_regress.py
+++ b/test_runner/regress/test_pg_regress.py
@@ -24,7 +24,7 @@ if TYPE_CHECKING:
 # Run the main PostgreSQL regression tests, in src/test/regress.
 #
 @pytest.mark.timeout(30*60)
-@pytest.mark.repeat(1)
+@pytest.mark.repeat(20)
 @pytest.mark.parametrize("shard_count", [None, 4])
 def test_pg_regress(
     neon_env_builder: NeonEnvBuilder,