diff --git a/include/dpp/permissions.h b/include/dpp/permissions.h
index 1ce84a2..0ba9e64 100644
--- a/include/dpp/permissions.h
+++ b/include/dpp/permissions.h
@@ -21,6 +21,10 @@
 #pragma once
 #include <dpp/export.h>
 
+#include <cstdint>
+#include <type_traits>
+#include <dpp/nlohmann/json_fwd.hpp>
+
 namespace dpp {
 
 /**
