diff --git a/pyproject.toml b/pyproject.toml
index 23b9e49f..585efc21 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ dependencies = [
   'importlib-metadata; python_version < "3.8"',
   "packaging>=20.9",
   'typing-extensions>=3.7.4; python_version < "3.8"',
-  "virtualenv>=14",
+  "virtualenv>=20.14.1",
 ]
 [project.optional-dependencies]
 tox_to_nox = [
diff --git a/requirements-conda-test.txt b/requirements-conda-test.txt
index 156a9327..8dde50ea 100644
--- a/requirements-conda-test.txt
+++ b/requirements-conda-test.txt
@@ -3,4 +3,4 @@ colorlog >=2.6.1,<7.0.0
 jinja2
 pytest
 tox<4.0.0
-virtualenv >=14.0.0
+virtualenv >=20.14.1