diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index e03c1834..43187723 100644
--- a/.github/workflows/constraints.txt
+++ b/.github/workflows/constraints.txt
@@ -2,4 +2,4 @@ pip==21.3.1
 nox==2021.10.1
 nox-poetry==0.8.6
 poetry==1.1.11
-virtualenv==20.8.1
+virtualenv==20.9.0