diff --git a/tests/scope_managers/test_asyncio.py b/tests/scope_managers/test_asyncio.py
index 14079c4..4817f80 100644
--- a/tests/scope_managers/test_asyncio.py
+++ b/tests/scope_managers/test_asyncio.py
@@ -35,8 +35,7 @@ def scope_manager(self):
         return AsyncioScopeManager()
 
     def run_test(self, test_fn):
-        @asyncio.coroutine
-        def async_test_fn():
+        async def async_test_fn():
             test_fn()
         asyncio.get_event_loop().run_until_complete(async_test_fn())
 
diff --git a/tests/scope_managers/test_contextvars.py b/tests/scope_managers/test_contextvars.py
index dd1820f..c8c6f61 100644
--- a/tests/scope_managers/test_contextvars.py
+++ b/tests/scope_managers/test_contextvars.py
@@ -36,8 +36,7 @@ def scope_manager(self):
         return ContextVarsScopeManager()
 
     def run_test(self, test_fn):
-        @asyncio.coroutine
-        def async_test_fn():
+        async def async_test_fn():
             test_fn()
         asyncio.get_event_loop().run_until_complete(async_test_fn())