diff --git a/api/include/opentelemetry/logs/severity.h b/api/include/opentelemetry/logs/severity.h
index 5247d30be8..f4d961615f 100644
--- a/api/include/opentelemetry/logs/severity.h
+++ b/api/include/opentelemetry/logs/severity.h
@@ -3,6 +3,8 @@
 
 #pragma once
 
+#include <cstdint>
+
 #include "opentelemetry/nostd/string_view.h"
 #include "opentelemetry/version.h"