diff --git a/requirements.txt b/requirements.txt
index 91f7936..5bb3aee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,5 @@ pylint==2.3.0
 pytest-asyncio==0.15.1
 six==1.12.0
 pyee==8.0.1
-aiohttp==3.4.4
\ No newline at end of file
+aiohttp==3.4.4
+isort==4.3.21
\ No newline at end of file