-r common.txt
coveralls==1.5.1
mock==2.0.0
pytest==4.2.1
pytest-cov==2.6.1

-r common.txt
coveralls==1.6.0
mock==2.0.0
pytest==4.2.1
pytest-cov==2.6.1

Update coveralls from 1.5.1 to 1.6.0
Update coveralls from 1.5.1 to 1.6.0