diff --git a/src/db/IDatabase.hpp b/src/db/IDatabase.hpp
index 1fb4b3a..3c89416 100644
--- a/src/db/IDatabase.hpp
+++ b/src/db/IDatabase.hpp
@@ -1,6 +1,8 @@
 #ifndef DB_I_DATABASE_HPP
 #define DB_I_DATABASE_HPP
 
+#include <cstdint>
+
 template <class T>
 class IDatabase {
     public: