diff --git a/setup.py b/setup.py
index 02a648095..d37daaf6c 100644
--- a/setup.py
+++ b/setup.py
@@ -174,7 +174,7 @@ def _find_package_data(base: str, globs: list[str], root: str = "cwltool") -> li
     setup_requires=PYTEST_RUNNER + ["setuptools_scm>=8.0.4,<9"],
     test_suite="tests",
     tests_require=[
-        "bagit >= 1.6.4, < 1.9",
+        "bagit >= 1.6.4, < 1.10",
         "pytest >= 6.2, < 8.5",
         "mock >= 2.0.0",
         "pytest-mock >= 1.10.0",
diff --git a/test-requirements.txt b/test-requirements.txt
index e2d83d4fe..f9b61511b 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,4 +1,4 @@
-bagit>=1.6.4,<1.9
+bagit>=1.6.4,<1.10
 pytest>= 6.2,< 8.5
 pytest-xdist>=3.2.0 # for the worksteal scheduler
 psutil # enhances pytest-xdist to allow "-n logical"