diff --git a/stable-requirements.txt b/stable-requirements.txt
index 079a441..8ea4395 100644
--- a/stable-requirements.txt
+++ b/stable-requirements.txt
@@ -61,7 +61,7 @@ tomli==2.0.1
 tox==3.25.1
 typing_extensions==4.3.0
 urllib3==1.26.12
-virtualenv==20.16.4
+virtualenv==20.36.1
 waitress==2.1.2
 WebOb==1.8.7
 WebTest==3.0.0