diff --git a/utf64/py/dev_requirements.txt b/utf64/py/dev_requirements.txt
index 63bf8a7..b11238d 100644
--- a/utf64/py/dev_requirements.txt
+++ b/utf64/py/dev_requirements.txt
@@ -1,2 +1,2 @@
-black==24.8.0
+black==24.10.0
 flit==3.9.0