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-rw-r--r--lib/include/newtype/newtype.hpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/include/newtype/newtype.hpp b/lib/include/newtype/newtype.hpp
index 2154223..f5dce61 100644
--- a/lib/include/newtype/newtype.hpp
+++ b/lib/include/newtype/newtype.hpp
@@ -7,12 +7,14 @@
#include <algorithm>
#include <compare>
+#include <concepts>
+#include <cstddef>
#include <functional>
+#include <iterator>
#ifdef HAS_I_O_STREAM
#include <istream>
#include <ostream>
#endif
-#include <iterator>
#include <type_traits>
#include <utility>