diff --git a/backend/requirements-dev.txt b/backend/requirements-dev.txt
index 8dc1b02..421ce92 100644
--- a/backend/requirements-dev.txt
+++ b/backend/requirements-dev.txt
@@ -1,6 +1,6 @@
 # Development and CI/CD Dependencies
 ruff==0.15.12
-mypy==1.19.1
+mypy==2.0.0
 pytest==9.0.3
 pytest-asyncio==1.3.0
 httpx==0.28.1