diff --git a/deps/nostalgia/deps/ox/src/ox/std/concepts.hpp b/deps/nostalgia/deps/ox/src/ox/std/concepts.hpp
index ccc993b..7468768 100644
--- a/deps/nostalgia/deps/ox/src/ox/std/concepts.hpp
+++ b/deps/nostalgia/deps/ox/src/ox/std/concepts.hpp
@@ -8,6 +8,7 @@
 
 #pragma once
 
+#include "bit.hpp"
 #include "typetraits.hpp"
 
 namespace ox {
@@ -29,4 +30,6 @@ concept OxString_c = isOxString_v<T>;
 template<typename T>
 concept Integral_c = ox::is_integral_v<T>;
 
+template<typename T, size_t max>
+concept IntegerRange_c = ox::is_integer_v<T> && ox::MaxValue<T> >= max;
 }