lxml>=4.5.0
booleanOperations>=0.9.0
cu2qu[cli]>=1.6.7
defcon[lxml,pens]>=0.6.0
fontMath>=0.5.2
fontTools[lxml,ufo,unicode,woff]>=4.5.0
mutatorMath>=2.1.2
psautohint>=2.0.1
ufonormalizer>=0.3.6
ufoProcessor>=1.9.0
