diff --git a/constraints.txt b/constraints.txt
index 0502f54..cc8d97b 100644
--- a/constraints.txt
+++ b/constraints.txt
@@ -12,7 +12,7 @@ aiohttp>=3.14.0,<4.0.0
 filelock>=3.32.5,<4.0.0
 # virtualenv: GHSA-597g-3phw-6986 (TOCTOU) - fix pending release (>20.36.1)
 # Using latest available until patch is released
-virtualenv>=21.7.16,<22.0.0
+virtualenv>=21.12.1,<22.0.0
 requests>=2.34.2,<3.0.0
 urllib3>=2.7.0,<3.0.0
 anyio>=4.15.1,<5.0.0