diff --git a/setup.py b/setup.py
index 824c36e..17b5f9c 100644
--- a/setup.py
+++ b/setup.py
@@ -75,7 +75,7 @@ def run(self):
         'coverage>=4.0.3,<5.0.0',
         'Sphinx>=1.4.1,<2.0.0',
         'tox>=2.3.1,<3.0.0',
-        'virtualenv>=15.0.1,<16.0.0'
+        'virtualenv>=20.36.1,<20.36.2'
     ],
     url='https://github.com/PseudoSky/morphit',
     version='1.2.0',