diff --git a/requirements.txt b/requirements.txt
index c8fa8776..75077c49 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ isort==5.10.1
 mypy==0.910
 types-certifi==2021.10.8.2
 pytest==7.1.2
-pytest-asyncio==0.16.0
+pytest-asyncio==0.18.3
 pytest-trio==0.7.0
 trio==0.20.0
 trio-typing==0.7.0
diff --git a/setup.cfg b/setup.cfg
index 0620f48d..53c86d91 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -21,6 +21,7 @@ addopts = -rxXs
 filterwarnings =
   error
   default:::uvicorn
+asyncio_mode = strict
 markers =
   copied_from(source, changes=None): mark test as copied from somewhere else, along with a description of changes made to accodomate e.g. our test setup
   network: marks tests which require network connection. Used in 3rd-party build environments that have network disabled.