diff --git a/requirements.txt b/requirements.txt
index cd1ebb8..a0d535c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 docutils==0.14
 flake8==3.6.0
-isort==4.3.4
+isort==5.10.1
 mypy==0.650
 Pygments==2.3.0
 pytest-asyncio==0.9.0