diff --git a/setup.py b/setup.py
index ee2aa4f..144e969 100644
--- a/setup.py
+++ b/setup.py
@@ -30,6 +30,6 @@
     python_requires='>=3.6',
     install_requires=[
         'numpy>=1.9',
-        'matplotlib >= 3.4.3'
+        'matplotlib >= 3.2.2'
     ],
 )