diff --git a/pyproject.toml b/pyproject.toml
index cab4f1b7..3773de1f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ casd = [
     'autopep8 >=2.0.2, < 3',
     'flake8 >=6.0.0, < 8.0',
     'pycodestyle >=2.10.0, < 3.0',
-    'pytest >=7.2.2, < 8.0',
+    'pytest >= 7.2.2, < 9.0',
     'scipy >=1.10.1, < 2.0'
 ]
 sas = [