diff --git a/requirements.dev.txt b/requirements.dev.txt
index 3be66e7..e655700 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -1,5 +1,5 @@
 ruff==0.16.6
-mypy==2.3.1
+mypy==2.4.0
 black==26.5.1
 pytest==9.1.1
 pytest-cov==7.1.0