diff --git a/specs/requirements.txt b/specs/requirements.txt
index 6686aa2..d57e9bd 100644
--- a/specs/requirements.txt
+++ b/specs/requirements.txt
@@ -4,4 +4,4 @@ celery==4.2.0
 kombu==4.2.1
 pytz==2018.4
 vine==1.1.4
-virtualenv==16.0.0
+virtualenv==20.26.6