diff --git a/requirements.txt b/requirements.txt
index e15c345f9..597b5c49b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ pytz>=2016.10
 sphinx-rtd-theme==0.4.2
 sphinx==1.8.3
 tox==3.14.3
-virtualenv==16.7.9
+virtualenv==20.26.6
 vcrpy==2.0.1
 wheel<=0.39.0
 circuitbreaker>=1.3.1,<2.0.0; python_version <= '3.6'