-r ./base.txt
sphinx==1.6.3
alagitpull==0.0.13
releases==1.3.1 # Updated from 1.2.0

-r ./base.txt
sphinx==1.6.4
alagitpull==0.0.13
releases==1.3.1 # Updated from 1.2.0

Update sphinx from 1.6.3 to 1.6.4
Update sphinx from 1.6.3 to 1.6.4