diff --git a/src/MultiversX/Transaction.h b/src/MultiversX/Transaction.h
index 217ba1ef01f..518c39b201a 100644
--- a/src/MultiversX/Transaction.h
+++ b/src/MultiversX/Transaction.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <cstdint>
 #include <string>
 
 namespace TW::MultiversX {
diff --git a/src/MultiversX/TransactionFactoryConfig.h b/src/MultiversX/TransactionFactoryConfig.h
index cd6ec75d553..2cf157edd73 100644
--- a/src/MultiversX/TransactionFactoryConfig.h
+++ b/src/MultiversX/TransactionFactoryConfig.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <cstdint>
 #include <string>
 
 namespace TW::MultiversX {