diff --git a/math/extended_euclid_algorithm.cpp b/math/extended_euclid_algorithm.cpp
index 9fdc9692ef1..cc2eacac8e3 100644
--- a/math/extended_euclid_algorithm.cpp
+++ b/math/extended_euclid_algorithm.cpp
@@ -11,6 +11,7 @@
  */
 #include <algorithm>  // for swap function
 #include <iostream>
+#include <cstdint>
 
 /**
  * function to update the coefficients per iteration