X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/a4f57793d8757c451330e6d861eb3c5af2bff3b8..48c38895200cdafaaeca37299bf8352878389a77:/sdk/cwl/setup.py

diff --git a/sdk/cwl/setup.py b/sdk/cwl/setup.py
index 07d6beffd6..d4bb6d102a 100644
--- a/sdk/cwl/setup.py
+++ b/sdk/cwl/setup.py
@@ -61,7 +61,7 @@ setup(name='arvados-cwl-runner',
       ],
       test_suite='tests',
       tests_require=[
-          'mock>=1.0',
+          'mock>=1.0,<4',
           'subprocess32>=3.5.1',
       ],
       zip_safe=True,