diff --git a/pyproject.toml b/pyproject.toml
index ef168fa..690f641 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ test = [
     "pytest-github-actions-annotate-failures",
     "shellcheck-py>=0.10.0.1",
     "pre-commit",
-    "virtualenv<=21.0.0"
+    "virtualenv<=21.2.4"
 ]
 
 [project.urls]