diff --git a/pyproject.toml b/pyproject.toml
index cc75b91..a67607d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ all = [
 ]
 tests = [
   "morefs[all]",
-  "pytest>=7,<9",
+  "pytest>=7,<10",
   "pytest-asyncio>=0.21.0,<2",
   "pytest-cov>=4.1.0",
   "pytest-mock",