diff --git a/.clang-format b/.clang-format
index cac7029fc..f2b44e87d 100644
--- a/.clang-format
+++ b/.clang-format
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 #
-# clang-format configuration file. Intended for clang-format >= 7.
+# clang-format configuration file. Intended for clang-format >= 12.
 #
 # For more information, see:
 #
@@ -75,6 +75,7 @@ IncludeCategories:
     Priority:        9
   # Qt includes (match before C++ standard library)
   - Regex:           '<Q([A-Za-z0-9\-_])+>'
+    CaseSensitive:   true
     Priority:        9
   # Headers in <> with an extension. (+system libraries)
   - Regex:           '<([A-Za-z0-9\-_])+\.h>'