diff --git a/backend/requirements-dev.txt b/backend/requirements-dev.txt
index 5e4ad59..2c6fc7f 100644
--- a/backend/requirements-dev.txt
+++ b/backend/requirements-dev.txt
@@ -5,4 +5,4 @@ pytest-cov==6.0.0
 pytest-asyncio==0.24.0
 httpx==0.28.1
 ruff==0.8.6
-mypy==1.14.1
+mypy==2.1.0