X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/e231fef37079916d0dc6babf93d669d474598ced..16f704326f44fd1e5e5e60b936c9b5895d6a6ff8:/sdk/cwl/setup.py

diff --git a/sdk/cwl/setup.py b/sdk/cwl/setup.py
index a815dedaf3..d97e7428da 100644
--- a/sdk/cwl/setup.py
+++ b/sdk/cwl/setup.py
@@ -39,10 +39,11 @@ setup(name='arvados-cwl-runner',
           'ruamel.yaml >=0.15.54, <=0.15.77',
           'arvados-python-client>=1.3.0.20190205182514',
           'setuptools',
-          'ciso8601 >=1.0.6, <2.0.0',
+          'ciso8601 >= 2.0.0',
       ],
       extras_require={
           ':os.name=="posix" and python_version<"3"': ['subprocess32 >= 3.5.1'],
+          ':python_version<"3"': ['pytz'],
       },
       data_files=[
           ('share/doc/arvados-cwl-runner', ['LICENSE-2.0.txt', 'README.rst']),