diff --git a/libraries/ZWidget/include/zwidget/window/window.h b/libraries/ZWidget/include/zwidget/window/window.h
index 0539f773f..4cdb748d8 100644
--- a/libraries/ZWidget/include/zwidget/window/window.h
+++ b/libraries/ZWidget/include/zwidget/window/window.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstdint>
 #include <memory>
 #include <string>
 #include <functional>
diff --git a/src/common/utility/r_memory.h b/src/common/utility/r_memory.h
index d9db538ca..41abe0be5 100644
--- a/src/common/utility/r_memory.h
+++ b/src/common/utility/r_memory.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstdint>
 #include <memory>
 #include <vector>