diff --git a/audio/setup.py b/audio/setup.py
index ec67c81d..02b97f07 100644
--- a/audio/setup.py
+++ b/audio/setup.py
@@ -83,7 +83,7 @@ setuptools.setup(
     python_requires='>=3.6',
     install_requires=[
         'numpy >= 1.15.0', 'scipy >= 1.0.0', 'resampy >= 0.2.2',
-        'soundfile >= 0.9.0', 'colorlog', 'dtaidistance == 2.3.1', 'pathos'
+        'soundfile >= 0.9.0', 'colorlog', 'dtaidistance == 2.3.1', 'pathos==0.2.8'
     ],
     extras_require={
         'test': [