diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index 50b25e4..39ebb70 100644
--- a/.github/workflows/constraints.txt
+++ b/.github/workflows/constraints.txt
@@ -2,4 +2,4 @@ pip==22.3
 nox==2022.8.7
 nox-poetry==1.0.1
 poetry==1.2.2
-virtualenv==20.16.5
+virtualenv==20.16.6