diff --git a/src/common/math_util.h b/src/common/math_util.h
index d97d24330..623f7f39b 100644
--- a/src/common/math_util.h
+++ b/src/common/math_util.h
@@ -5,6 +5,7 @@
 #pragma once
 
 #include <cstdlib>
+#include <compare>
 #include <type_traits>
 
 namespace Common {