diff --git a/requirements_dev.txt b/requirements_dev.txt
index 398fa69..ac9a3f9 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -2,7 +2,7 @@
 pre-commit==2.10.1
 black==20.8b1
 flake8==3.8.4
-isort==5.7.0
+isort==5.9.3
 pylint>=2.6.0
 setuptools>=53.0.0
 twine>=3.3.0