diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6a202f8..3548463 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -10,6 +10,6 @@ pytest==8.4.2
 pytest-cov==7.0.0
 pytest-xprocess==1.0.2
 pre-commit
-mypy==1.17.1
+mypy==1.18.1
 types-requests==2.32.4.20250809
 pandas-stubs==2.3.2.250827