diff --git a/requirements.txt b/requirements.txt
index 698d830..5433f36 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ werkzeug==1.0.1
 # dev
 pytest==6.2.4
 pytest-runner==5.3.1
-pytest-asyncio==0.15.1
+pytest-asyncio==0.20.1
 coveralls==3.3.1
 pycodestyle==2.9.1
 sphinx-rtd-theme==1.0.0