diff --git a/include/some_types.h b/include/some_types.h
index e5dbc70..f938f31 100644
--- a/include/some_types.h
+++ b/include/some_types.h
@@ -1,6 +1,8 @@
 #ifndef SOM_TYPES_H_INCLUDED
 #define SOM_TYPES_H_INCLUDED
 
+#include <cstdint>
+
 namespace hiberlite{
 
 template<class E, class C>