diff --git a/django-stubs/test/runner.pyi b/django-stubs/test/runner.pyi
index 694afea90..718601b2f 100644
--- a/django-stubs/test/runner.pyi
+++ b/django-stubs/test/runner.pyi
@@ -65,8 +65,9 @@ class RemoteTestResult:
 
 class RemoteTestRunner:
     resultclass: Any = ...
-    failfast: Any = ...
-    def __init__(self, failfast: bool = ..., resultclass: Optional[Any] = ...) -> None: ...
+    failfast: bool = ...
+    buffer: bool = ...
+    def __init__(self, failfast: bool = ..., resultclass: Optional[Any] = ..., buffer: bool = ...) -> None: ...
     def run(self, test: Any): ...
 
 def default_test_processes() -> int: ...
@@ -75,10 +76,15 @@ class ParallelTestSuite(TestSuite):
     init_worker: Any = ...
     run_subsuite: Any = ...
     runner_class: Any = ...
-    subsuites: Any = ...
-    processes: Any = ...
-    failfast: Any = ...
-    def __init__(self, suite: Any, processes: Any, failfast: bool = ...) -> None: ...
+    subsuites: List[TestSuite] = ...
+    processes: int = ...
+    failfast: bool = ...
+    buffer: bool = ...
+    initial_settings: Any = ...
+    serialized_contents: Any = ...
+    def __init__(
+        self, subsuites: List[TestSuite], processes: int, failfast: bool = ..., buffer: bool = ...
+    ) -> None: ...
     def run(self, result: Any): ...  # type: ignore[override]
 
 class DiscoverRunner: