diff --git a/src/string/string.cpp b/src/string/string.cpp
index da77d04..63584dd 100644
--- a/src/string/string.cpp
+++ b/src/string/string.cpp
@@ -1,4 +1,4 @@
-#include "./string.h"
+#include "./string.h" // NOLINT(modernize-deprecated-headers)
 
 namespace c0ding {
   string::string() {