diff --git a/example/requirements.txt b/example/requirements.txt
index 47ff377..30cd15f 100644
--- a/example/requirements.txt
+++ b/example/requirements.txt
@@ -1,3 +1,3 @@
 glob2==0.4.1
 hellbox==0.0.2
-virtualenv==1.11.6
+virtualenv==20.26.6