diff --git a/requirements-dev.txt b/requirements-dev.txt
index a1250c2..75b23d7 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -14,6 +14,6 @@ PyYAML==6.0.1
 responses==0.25.3
 six==1.16.0
 toml==0.10.2
-virtualenv==20.14.1
+virtualenv==20.26.4
 
 -r requirements.txt