diff --git a/pointer.hpp b/pointer.hpp
index 19c3afd7..cd19d320 100644
--- a/pointer.hpp
+++ b/pointer.hpp
@@ -8,6 +8,7 @@
 
 #pragma once
 
+#include <utility>
 #include <type_traits>
 #include <cstddef>
 #include <cstdint>