diff --git a/setup.cfg b/setup.cfg
index c88d7e4..e7a3c3c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -88,7 +88,7 @@ testing =
     pyfakefs>=4.5.1,<5
     pre-commit>=2.15.0,<3
     freezegun>=1.1.0,<2
-    pytest-asyncio==0.15.1
+    pytest-asyncio==0.20.3
     codespell>=2.1.0,<3
     pip-tools>=6.4.0,<7
 docs =