diff --git a/pyproject.toml b/pyproject.toml
index f27e447..5afe0df 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ classifiers = [
 dependencies = [
     "tomli>=1.1.0; python_version < '3.11'",
     "setuptools>=45.0.0", # Required for pkg_resources in clang-tidy
-    "clang-format==21.1.0",
+    "clang-format==21.1.1",
     "clang-tidy==21.1.0",
 ]
 dynamic = ["version"]