diff --git a/src/main.hpp b/src/main.hpp
index b3522cb..20ad487 100644
--- a/src/main.hpp
+++ b/src/main.hpp
@@ -1,6 +1,8 @@
 #include <iostream>
+#include <fstream>
 #include <chrono>
 #include <thread>
+#include <string>
 
 // GLM is used as the mathematics library.