diff --git a/setup.py b/setup.py
index bdf5f975d..a9b9b3566 100644
--- a/setup.py
+++ b/setup.py
@@ -176,7 +176,7 @@ def _find_package_data(base: str, globs: list[str], root: str = "cwltool") -> li
     test_suite="tests",
     tests_require=[
         "bagit >= 1.6.4, < 1.10",
-        "pytest >= 6.2, < 8.5",
+        "pytest >= 6.2, < 9.1",
         "mock >= 2.0.0",
         "pytest-mock >= 1.10.0",
         "pytest-httpserver",
diff --git a/test-requirements.txt b/test-requirements.txt
index 6b87c3db6..9a88edb84 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,5 +1,5 @@
 bagit>=1.6.4,<1.10
-pytest>= 6.2,< 8.5
+pytest>= 6.2,< 9.1
 pytest-xdist>=3.2.0 # for the worksteal scheduler
 psutil # enhances pytest-xdist to allow "-n logical"
 pytest-httpserver