diff --git a/src/middleware/serve_static_provider.cpp b/src/middleware/serve_static_provider.cpp
index 3d8d30e..f328992 100644
--- a/src/middleware/serve_static_provider.cpp
+++ b/src/middleware/serve_static_provider.cpp
@@ -1,6 +1,7 @@
 #include "expresscpp/middleware/serve_static_provider.hpp"
 
 #include <filesystem>
+#include <fstream>
 
 #include "expresscpp/console.hpp"
 #include "expresscpp/impl/session.hpp"