diff --git a/Utility/Inc/utility_enum_helpers.hpp b/Utility/Inc/utility_enum_helpers.hpp
index 7ee6d8f..62d7e7a 100644
--- a/Utility/Inc/utility_enum_helpers.hpp
+++ b/Utility/Inc/utility_enum_helpers.hpp
@@ -5,6 +5,8 @@
 #ifndef SKULLC_UTILITY_ENUM_HELPERS_HPP_
 #define SKULLC_UTILITY_ENUM_HELPERS_HPP_
 
+#include <type_traits>
+
 #define SKULLC_ENUM_DECLARE_BITFLAG_OPERATORS(E)                      \
   inline E operator|(const E& lhs, const E& rhs)                      \
   {                                                                   \