diff --git a/headers/curly.hpp/curly.hpp b/headers/curly.hpp/curly.hpp
index d923045..be64212 100644
--- a/headers/curly.hpp/curly.hpp
+++ b/headers/curly.hpp/curly.hpp
@@ -26,6 +26,7 @@
 #include <map>
 #include <vector>
 #include <string>
+#include <string_view>
 #include <initializer_list>
 
 namespace curly_hpp