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