diff --git a/python/setup.py b/python/setup.py index ebd80de46b4..5f228ed0af2 100644 --- a/python/setup.py +++ b/python/setup.py @@ -242,7 +242,7 @@ def get_outputs(self): 'clean': clean, 'build_ext': build_ext }, - install_requires=['cython >= 0.21'], + install_requires=['cython >= 0.21', 'numpy >= 1.9'], description=DESC, license='Apache License, Version 2.0', maintainer="Apache Arrow Developers",