X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/e32de15f4de447dae7b3b6b91efff07ba53b91ed..3f76b6309bc82cb2d62feb2eab10b55aa8b257ce:/sdk/python/setup.py

diff --git a/sdk/python/setup.py b/sdk/python/setup.py
index e5126c12b0..9b38f07140 100644
--- a/sdk/python/setup.py
+++ b/sdk/python/setup.py
@@ -51,7 +51,7 @@ setup(name='arvados-python-client',
           'google-api-python-client >=1.6.2, <1.7',
           'httplib2 >=0.9.2',
           'pycurl >=7.19.5.1',
-          'ruamel.yaml >=0.15.54',
+          'ruamel.yaml >=0.15.54, <=0.15.77',
           'setuptools',
           'ws4py >=0.4.2',
           'subprocess32 >=3.5.1',