diff -up PrusaSlicer-version_2.4.2/src/libslic3r/PNGReadWrite.hpp.gcc13 PrusaSlicer-version_2.4.2/src/libslic3r/PNGReadWrite.hpp
--- PrusaSlicer-version_2.4.2/src/libslic3r/PNGReadWrite.hpp.gcc13	2022-04-22 07:01:19.000000000 -0400
+++ PrusaSlicer-version_2.4.2/src/libslic3r/PNGReadWrite.hpp	2023-01-26 20:47:42.311148005 -0500
@@ -4,6 +4,7 @@
 #include <vector>
 #include <string>
 #include <istream>
+#include <cstdint>
 
 namespace Slic3r { namespace png {