diff -uNr irrtree-1.2.1.ORIG/setup.py irrtree-1.2.1/setup.py
--- irrtree-1.2.1.ORIG/setup.py	2019-02-01 15:42:43.837122511 +0000
+++ irrtree-1.2.1/setup.py	2019-02-01 15:42:58.682123129 +0000
@@ -46,7 +46,7 @@
     print("  git push --tags")
     sys.exit()
 
-reqs = ['asciitree==0.3.3', 'progressbar2==3.34.3']
+reqs = ['asciitree>=0.3.3', 'progressbar2>=3.34.3']
 
 setup(
     name='irrtree',
