- 'cwltool==1.0.20180508202931',
- 'schema-salad==2.7.20180501211602',
- 'typing==3.5.3.0',
- 'ruamel.yaml >=0.13.7, <0.15',
- 'arvados-python-client>=1.1.4.20180418202329',
+ 'cwltool==1.0.20180806194258',
+ 'schema-salad==2.7.20180719125426',
+ 'typing >= 3.6.4',
+ # Need to limit ruamel.yaml version to 0.15.26 because of bug
+ # https://bitbucket.org/ruamel/yaml/issues/227/regression-parsing-flow-mapping
+ 'ruamel.yaml >=0.13.11, <= 0.15.26',
+ 'arvados-python-client>=1.1.4.20180607143841',