diff --git a/test/requirements.txt b/test/requirements.txt
index 3facc57..0123a1b 100644
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -1,7 +1,7 @@
 
 -r ../requirements.txt
 
-virtualenv      == 20.17.1
+virtualenv      == 20.26.6
 packaging       == 21.3
 tox             == 3.28.0
 pytest          == 7.0.1