diff --git a/dev-requirements.txt b/dev-requirements.txt
index 7f753ada3..39195c02d 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -256,7 +256,7 @@ uritemplate==4.1.1
     #   modoboa (pyproject.toml)
 urllib3==2.2.3
     # via requests
-virtualenv==20.27.1
+virtualenv==20.28.0
     # via pre-commit
 werkzeug==3.1.3
     # via modoboa (pyproject.toml)
diff --git a/test-requirements.txt b/test-requirements.txt
index 5a58631fe..096e3586f 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -239,7 +239,7 @@ uritemplate==4.1.1
     #   modoboa (pyproject.toml)
 urllib3==2.2.3
     # via requests
-virtualenv==20.27.1
+virtualenv==20.28.0
     # via tox
 zope-event==5.0
     # via gevent