--- a/OpenEXR/IlmImf/ImfDwaCompressor.cpp
+++ b/OpenEXR/IlmImf/ImfDwaCompressor.cpp
@@ -159,6 +159,7 @@
 #include <limits>

 #include <cstddef>
+#include <cstdint>


 // Windows specific addition to prevent the indirect import of the redefined min/max macros
--- a/OpenEXR/IlmImf/ImfHuf.h
+++ b/OpenEXR/IlmImf/ImfHuf.h
@@ -40,6 +40,8 @@
 #include "ImfExport.h"
 #include "ImfNamespace.h"

+#include <cstdint>
+
 //-----------------------------------------------------------------------------
 //
 //	16-bit Huffman compression and decompression:
--- a/OpenEXR/IlmImf/ImfMisc.h
+++ b/OpenEXR/IlmImf/ImfMisc.h
@@ -51,6 +51,7 @@
 #include "ImfForward.h"

 #include <cstddef>
+#include <cstdint>
 #include <vector>