diff --git a/pyproject.toml b/pyproject.toml
index 3caed1a..737f9be 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ development = [
   "pytest-schema==0.1.2",
   "pytest==9.1.1",
   "twine==7.0.0",
-  "virtualenv==21.7.0",
+  "virtualenv==21.7.1",
   "wheel==0.47.0",
 ]
 documentation = [