diff --git a/requirements_test.txt b/requirements_test.txt
index d036146..ec96aac 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,6 +1,7 @@
 black
 isort
 pytest
+pytest-asyncio
 pytest-cov
 pytest-homeassistant-custom-component
 arrow