diff --git a/requirements.txt b/requirements.txt
index 5d1444b..e29d1ac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ cssmin==0.2.0
 Flask==1.1.2
 Flask-Assets==2.0
 iniconfig==1.1.1
-isort==5.6.4
+isort==5.13.0
 itsdangerous==1.1.0
 Jinja2==2.11.2
 jsmin==2.2.2