diff --git a/include/helpers.hpp b/include/helpers.hpp
index 7cd64344..ee1a1dac 100644
--- a/include/helpers.hpp
+++ b/include/helpers.hpp
@@ -3,6 +3,7 @@
 #include <fstream>
 #include <iostream>
 #include <iterator>
+#include <type_traits>
 #include <utility>
 #include <vector>
 #include "termcolor.hpp"