diff --git a/requirements/lintrunner/requirements.txt b/requirements/lintrunner/requirements.txt
index a8f3355ada..8ca9f150c3 100644
--- a/requirements/lintrunner/requirements.txt
+++ b/requirements/lintrunner/requirements.txt
@@ -3,7 +3,7 @@ lintrunner-adapters>=0.8.0
 # RUFF, RUFF-FIX
 ruff==0.15.1
 # MYPY
-mypy==1.10.1
+mypy==1.20.0
 types-PyYAML==6.0.12.20250915
 # EDITORCONFIG-CHECKER
 editorconfig-checker==3.4.1