diff --git a/http/verb.hpp b/http/verb.hpp
index 8eec68a..4213604 100644
--- a/http/verb.hpp
+++ b/http/verb.hpp
@@ -2,6 +2,7 @@
 
 #include <boost/beast/http/verb.hpp>
 
+#include <iostream>
 #include <optional>
 #include <string_view>