diff --git a/src/debugpy/_vendored/pydevd/pydevd_attach_to_process/common/python.h b/src/debugpy/_vendored/pydevd/pydevd_attach_to_process/common/python.h
index 6d39865e..04790698 100644
--- a/src/debugpy/_vendored/pydevd/pydevd_attach_to_process/common/python.h
+++ b/src/debugpy/_vendored/pydevd/pydevd_attach_to_process/common/python.h
@@ -18,6 +18,7 @@
 #define __PYTHON_H__
 
 #include "../common/py_version.hpp"
+#include <cstdint>
 
 #ifndef _WIN32
 typedef unsigned int DWORD;