1 files changed, 3 insertions, 2 deletions
diff --git a/setup.py b/setup.py
index d46ae1c..c03191a 100644
--- a/setup.py
+++ b/setup.py
@@ -68,8 +68,9 @@ setup(
     license='MIT',
     scripts=[],
     data_files=[],
-    setup_requires=["numpy>=1.20", "cython>=0.23"],
-    install_requires=["numpy>=1.20", "scipy>=1.0"],
+    setup_requires=["oldest-supported-numpy", "cython>=0.23"],
+    install_requires=["numpy>=1.16", "scipy>=1.0"],
+    python_requires=">=3.6",
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',