diff --git a/backend/requirements.txt b/backend/requirements.txt
index feb8f9a..78beb6d 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -15,6 +15,6 @@ pytest-cov==5.0.0
 httpx==0.27.2
 
 # Development
-black==24.10.0
+black==26.3.1
 isort==5.13.2
 mypy==1.13.0