diff --git a/requirements/developer.txt b/requirements/developer.txt
index 17bd1e4..320f74b 100644
--- a/requirements/developer.txt
+++ b/requirements/developer.txt
@@ -1,3 +1,3 @@
-black==26.3.1
+black==26.5.1
 pre-commit==4.5.1
 pytest==9.0.3