diff --git a/src/security_headers_middleware_test.cpp b/src/security_headers_middleware_test.cpp
index 4fa3003..500839a 100644
--- a/src/security_headers_middleware_test.cpp
+++ b/src/security_headers_middleware_test.cpp
@@ -1,4 +1,4 @@
-#include <crow/app.h>
+#include <app.h>
 
 #include <security_headers_middleware.hpp>