diff --git a/source/application/api/common/include/ClassificationResult.hpp b/source/application/api/common/include/ClassificationResult.hpp
index 244849f..704bb14 100644
--- a/source/application/api/common/include/ClassificationResult.hpp
+++ b/source/application/api/common/include/ClassificationResult.hpp
@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: Copyright 2021 Arm Limited and/or its affiliates <open-source-office@arm.com>
+ * SPDX-FileCopyrightText: Copyright 2021, 2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -17,6 +17,7 @@
 #ifndef CLASSIFICATION_RESULT_HPP
 #define CLASSIFICATION_RESULT_HPP
 
+#include <cstdint>
 #include <string>
 
 namespace arm {