diff --git a/requirements.txt b/requirements.txt
index 7ba8f8e41..8b84730f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ binaryornot==0.4.4
 black==21.9b0
 isort==5.9.3
 flake8==3.9.2
-flake8-isort==4.0.0
+flake8-isort==4.1.1
 pre-commit==2.15.0
 
 # Testing