diff --git a/py/requirements-dev.txt b/py/requirements-dev.txt
index 0ee7b57f..bb8db9fe 100644
--- a/py/requirements-dev.txt
+++ b/py/requirements-dev.txt
@@ -1,4 +1,4 @@
-black==24.4.2
+black==26.3.1
 flake8==7.1.0
 mypy==1.10.1
-pytest==8.2.2
+pytest==9.0.3