diff --git a/include/kwk/algorithm/algos/copy.hpp b/include/kwk/algorithm/algos/copy.hpp
index a46eb526..4505285a 100644
--- a/include/kwk/algorithm/algos/copy.hpp
+++ b/include/kwk/algorithm/algos/copy.hpp
@@ -8,6 +8,7 @@
 #pragma once
 
 #include <kwk/concepts/container.hpp>
+#include <kwk/algorithm/algos/for_each.hpp>
 #include <kwk/algorithm/algos/transform.hpp>
 #include <kwk/detail/abi.hpp>
 #include <cstddef>