--- setup.py.orig	2019-06-22 07:04:23 UTC
+++ setup.py
@@ -17,7 +17,7 @@ requirements = [
 ]
 
 setup_requirements = [
-    'pytest-runner==3.0',
+    'pytest-runner',
     # TODO(tommikaikkonen): put setup requirements (distutils extensions, etc.) here
 ]