diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index 188e374..02960a1 100644
--- a/.github/workflows/constraints.txt
+++ b/.github/workflows/constraints.txt
@@ -1,4 +1,4 @@
 pip==20.2.4
 nox==2020.8.22
 poetry==1.1.2
-virtualenv==20.2.1
+virtualenv==20.3.1