-r ./base.txt
sphinx==1.5.1
alabaster==0.7.9
releases==1.2.1 # Updated from 1.2.0

-r ./base.txt
sphinx==1.5.1
alabaster==0.7.9
releases==1.3.0 # Updated from 1.2.0

Update releases from 1.2.1 to 1.3.0
Update releases from 1.2.1 to 1.3.0