diff -urNp redhat-rpm-config-9.0.3_orig/macros redhat-rpm-config-9.0.3/macros
--- redhat-rpm-config-9.0.3_orig/macros	2009-02-23 12:40:33.000000000 -0500
+++ redhat-rpm-config-9.0.3/macros	2009-02-23 12:47:04.000000000 -0500
@@ -158,6 +158,10 @@ unset DISPLAY\
 # Should unpackaged files in a build root terminate a build?
 %_unpackaged_files_terminate_build    1
 
+# Use SHA-256 for FILEDIGESTS instead of default MD5
+%_source_filedigest_algorithm 8
+%_binary_filedigest_algorithm 8
+
 %__find_provides        /usr/lib/rpm/redhat/find-provides
 %__find_requires        /usr/lib/rpm/redhat/find-requires