diff --git a/pyproject.toml b/pyproject.toml
index 1946ece72..3ae9a172a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ toml = "^0.10.2"
 sphinx-rtd-theme = "^1.0.0"
 sphinx-automodapi = "^0.14"
 pytest-cov = "^4.0.0"
-pytest-asyncio = "^0.19.0"
+pytest-asyncio = "^0.20.3"
 openapi-parser = "^0.2.6"
 autopep8 = "^1.6.0"
 prance = "^0.21.8"