diff --git a/tests/test_async.py b/tests/test_async.py
index de7d89b6..5893ff69 100644
--- a/tests/test_async.py
+++ b/tests/test_async.py
@@ -8,6 +8,8 @@ from flask import Flask
 from flask import request
 from flask.helpers import run_async
 
+pytest.importorskip("asgiref")
+
 
 class AppError(Exception):
     pass