diff --git a/app/requirements-dev.txt b/app/requirements-dev.txt
index 0b0dde9..8a0f5f4 100644
--- a/app/requirements-dev.txt
+++ b/app/requirements-dev.txt
@@ -1,3 +1,3 @@
-black==26.1.0
+black==26.3.1
 pytest==9.0.2
 coverage==7.13.3