diff --git a/pyproject.toml b/pyproject.toml
index 6b285176..9cee0115 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ development = [
   "pytest-schema==0.1.2",
   "pytest==9.0.2",
   "twine==6.2.0",
-  "virtualenv==21.0.0",
+  "virtualenv==21.1.0",
   "wheel==0.46.3",
 ]
 documentation = [