diff --git a/pyproject.toml b/pyproject.toml
index 7b3570fb..6ef92f0c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ pytest-cov = "^3"
 pytest-benchmark = "^4.0.0"
 six = "^1.16.0"
 certifi = "^2023.7.22"  # needed for testing on GitHub Actions
-virtualenv = "^20.22.0"  # needed for testing on GitHub Actions
+virtualenv = "^20"  # needed for testing on GitHub Actions
 
 [tool.isort]
 default_section = "THIRDPARTY"