diff --git a/data_structures/stack_using_queue.cpp b/data_structures/stack_using_queue.cpp
index b849fcf05..7867d55ca 100644
--- a/data_structures/stack_using_queue.cpp
+++ b/data_structures/stack_using_queue.cpp
@@ -9,6 +9,7 @@
  * @author [tushar2407](https://github.com/tushar2407)
  */
 #include <cassert>   /// for assert
+#include <cstdint>   /// for integral typedefs
 #include <iostream>  /// for IO operations
 #include <queue>     /// for queue data structure