diff --git a/constraints.txt b/constraints.txt
index 6feea2d5..6215163c 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -37,7 +37,7 @@ Pygments==2.20.0
 pycparser==3.0
 pydantic==2.13.4
 pydantic-core==2.46.4
-pytest==9.0.3
+pytest==9.1.0
 readme-renderer==45.0
 requests==2.34.2
 requests-toolbelt==1.0.0
diff --git a/tests/markers/test_class_scope.py b/tests/markers/test_class_scope.py
index 28f7187c..ec6efd2c 100644
--- a/tests/markers/test_class_scope.py
+++ b/tests/markers/test_class_scope.py
@@ -110,8 +110,9 @@ class CustomEventLoopPolicy(asyncio.DefaultEventLoopPolicy):
                 pass
 
             class TestUsesCustomEventLoop:
+                @classmethod
                 @pytest.fixture(scope="class")
-                def event_loop_policy(self):
+                def event_loop_policy(cls):
                     return CustomEventLoopPolicy()
 
                 @pytest.mark.asyncio