diff --git a/setup.py b/setup.py
index 54cb41d..2c780d1 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@
         "test": [
             "flake8>=3.4.0,<4.0.0",
             "mypy>=0.521,<1.0",
-            "pytest>=3.2.0,<4.0.0",
+            "pytest>=3.2.0,<9.0.0",
             "tox>=2.5.0,<3.0.0",
         ],
     },