diff --git a/.github/workflows/constraints.txt b/.github/workflows/constraints.txt
index fb4ee593..477b68bc 100644
--- a/.github/workflows/constraints.txt
+++ b/.github/workflows/constraints.txt
@@ -1,3 +1,3 @@
 pip==25.2
 nox==2025.5.1
-virtualenv==20.34.0
+virtualenv==20.35.3