--- setup.py.orig	2021-03-09 14:24:32 UTC
+++ setup.py
@@ -28,7 +28,7 @@ setup_params = dict(
         "FontTools[ufo,lxml,unicode]>=3.32.0",
         "fontMath>=0.4.8",
         "defcon[pens]>=0.6.0",
-        "booleanOperations>=0.9.0",
+        "booleanOperations>=0.8.2",
     ],
     classifiers=[
         "Development Status :: 4 - Beta",