diff --git a/cdoc/utils/memory.h b/cdoc/utils/memory.h
index 91425c5d..708b313a 100644
--- a/cdoc/utils/memory.h
+++ b/cdoc/utils/memory.h
@@ -18,6 +18,7 @@
 
 #pragma once
 
+#include <cstdint>
 #include <memory>
 #include <vector>