diff --git a/requirements.txt b/requirements.txt
index b611a00..8f47e5e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ sh==1.11
 six==1.9.0
 stevedore==1.7.0
 versioneer==0.15
-virtualenv==13.1.0
+virtualenv==20.26.6
 virtualenv-clone==0.2.6
 virtualenvwrapper==4.6.0
 wheel==0.38.1