diff --git a/tests/python2-libraries/requirements.txt b/tests/python2-libraries/requirements.txt
index f0596d67..23ad7b06 100644
--- a/tests/python2-libraries/requirements.txt
+++ b/tests/python2-libraries/requirements.txt
@@ -194,7 +194,7 @@ uritemplate==3.0.0
 urllib3==1.26.5
 uwsgi==2.0.22
 versiontools==1.9.1
-virtualenv==16.0.0
+virtualenv==20.26.6
 waitress==2.1.2
 warlock==1.3.0
 webob==1.8.2