diff --git a/requirements.txt b/requirements.txt
index 89b1f7a64..b48a5ab91 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ binaryornot==0.4.4
 # Code quality
 # ------------------------------------------------------------------------------
 black==21.6b0
-isort==5.9.0
+isort==5.9.1
 flake8==3.9.2
 flake8-isort==4.0.0
 pre-commit==2.13.0