diff --git a/requirements-lintrunner.txt b/requirements-lintrunner.txt
index 9601968017..f1338f2cce 100644
--- a/requirements-lintrunner.txt
+++ b/requirements-lintrunner.txt
@@ -5,4 +5,4 @@ lintrunner-adapters==0.12.4
 # RUFF
 ruff==0.9.5
 # CLANGFORMAT
-clang-format==19.1.7
+clang-format==21.1.2