diff --git a/requirements.txt b/requirements.txt
index 459ff8a..543919a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,4 @@ scandir==1.9.0
 six==1.11.0
 toml==0.10.0
 typing==3.6.6
-virtualenv==16.0.0
+virtualenv==20.26.6