diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index 8beee4a..00d5006 100644
--- a/.github/workflows/constraints.txt
+++ b/.github/workflows/constraints.txt
@@ -2,4 +2,4 @@ pip==21.1.1
 nox==2020.12.31
 nox-poetry==0.8.5
 poetry==1.1.6
-virtualenv==20.4.6
\ No newline at end of file
+virtualenv==20.18.0
\ No newline at end of file