diff --git a/setup.py b/setup.py
index a8e7a98c..ed68a7b4 100644
--- a/setup.py
+++ b/setup.py
@@ -57,10 +57,10 @@ def run(self):
     exclude_package_data={'utils': ['archive/*']},
     cmdclass={'install': ExtractExampleData},
     install_requires=['astropy>=1.1.2',
-                      'matplotlib>=1.5.1',
+                      'matplotlib>=3.0.0',
                       'numpy>=1.18.4',
                       'scikit-learn',
-                      'scipy>=0.17.0',
+                      'scipy>=1.4.0',
                       'george>=0.3.0',
                       'iminuit',
                       'pandas>=0.23.0',