diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index 3cfe3ad..82aeae4 100644
--- a/.github/workflows/constraints.txt
+++ b/.github/workflows/constraints.txt
@@ -1,3 +1,3 @@
 pip==23.0.1
 poetry==1.3.2
-virtualenv==20.19.0
+virtualenv==20.20.0