diff --git a/setup.py b/setup.py
index 53980eed24..426e89912a 100644
--- a/setup.py
+++ b/setup.py
@@ -267,7 +267,7 @@ def run(self):
 # packages included for build-testing everywhere
 core_testenv = [
     'pytest',
-    'pytest-rerunfailures',
+#    'pytest-rerunfailures',  # disabled 2020-08-28 for <https://github.com/pytest-dev/pytest-rerunfailures/issues/128>
     'mock',
     'cython',
     'nmslib',