diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index c63f7a0..6176c62 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==1.3.1
-virtualenv==20.10.0
+virtualenv==20.25.0