diff --git a/include/VariantVisitors.hpp b/include/VariantVisitors.hpp
index 7a8677f..7b23977 100644
--- a/include/VariantVisitors.hpp
+++ b/include/VariantVisitors.hpp
@@ -17,6 +17,7 @@
 #pragma once
 #include <stdexcept>
 #include <string>
+#include <variant>
 
 struct VariantToFloatVisitor
 {