diff --git a/http/ut/utility_test.cpp b/http/ut/utility_test.cpp
index 0f40756..a81adf5 100644
--- a/http/ut/utility_test.cpp
+++ b/http/ut/utility_test.cpp
@@ -1,4 +1,4 @@
-#include "utility.h"
+#include "utility.hpp"
 
 #include "gmock/gmock.h"