diff --git a/src/lib/MSPUBMetaData.h b/src/lib/MSPUBMetaData.h
index 9167f4f..7825e37 100644
--- a/src/lib/MSPUBMetaData.h
+++ b/src/lib/MSPUBMetaData.h
@@ -13,6 +13,7 @@
 #include <map>
 #include <utility>
 #include <vector>
+#include <cstdint>
 
 #include <librevenge/librevenge.h>
 
diff --git a/src/lib/Coordinate.h b/src/lib/Coordinate.h
index bec3fe2..c737261 100644
--- a/src/lib/Coordinate.h
+++ b/src/lib/Coordinate.h
@@ -11,6 +11,7 @@
 #define INCLUDED_COORDINATE_H
 
 #include "MSPUBConstants.h"
+#include <cstdint>
 
 namespace libmspub
 {