diff --git a/pyproject.toml b/pyproject.toml
index 671458c..34cf368 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ isort = "^5.12.0"
 mypy = "^1.3.0"
 flake8 = "^5.0.4"
 pytest = "^7.3.2"
-pytest-asyncio = "^0.21.0"
+pytest-asyncio = ">=0.21,<0.24"
 pytest-mock = "^3.11.1"
 pytest-cov = "^4.1.0"
 nox = "^2023.4.22"