diff --git a/setup.py b/setup.py
index c353145..e8b19b5 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@ def _get_long_description():
     python_requires='>=3.6, <4',
     install_requires=[
         'numpy >=1.11.0, <1.20.0',
-        'scipy >=1.0.0, <1.6.0',
+        'scipy >=1.0.0, <1.7.0',
     ],
     extras_require={
         'docs': ['sphinx >=2.3, <3', 'matplotlib >=3.1', 'numpydoc', 'm2r'],