diff --git a/setup.cfg b/setup.cfg
index d6652bee..7d80131f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -59,7 +59,7 @@ install_requires =
 dev =
     black~=25.1.0
     build~=1.2.1
-    isort~=6.0.0
+    isort~=6.1.0
     types-pytz~=2025.2.0.20250326
     pre-commit~=4.2.0
     pytest-cases~=3.9.1