[cantarell-fonts] Specify minimum requirement versions

[Nikolaus Waxweiler <nwaxweiler src gnome org>]

commit 06030342487539b7a1df07b6e25177a883472596
Author: Nikolaus Waxweiler <madigens gmail com>
Date:   Wed Dec 19 21:22:47 2018 +0000

    Specify minimum requirement versions

 requirements.in  | 5 +++--
 requirements.txt | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/requirements.in b/requirements.in
index cfaf733d..6f16bb4c 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,2 +1,3 @@
-fontmake
-psautohint
+fontmake>=1.6.1
+glyphsLib>=3.0.3
+psautohint>=1.8.0
diff --git a/requirements.txt b/requirements.txt
index 4ec8a65f..35f3ea09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ fontmake==1.8.0
 fontmath==0.4.9           # via mutatormath
 fonttools[lxml,ufo,unicode]==3.34.2  # via booleanoperations, compreffor, cu2qu, defcon, fontmake, fontmath, 
glyphslib, mutatormath, psautohint, ufo2ft
 fs==2.1.2                 # via fonttools
-glyphslib==3.1.4          # via fontmake
+glyphslib==3.1.4
 lxml==4.2.5               # via fonttools
 mutatormath==2.1.2        # via fontmake
 psautohint==1.9.1