diff --git a/gcc.spec b/gcc.spec
index 215bb29..b1bc084 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -4,7 +4,7 @@
 %global gcc_major 14
 # Note, gcc_release must be integer, if you want to add suffixes to
 # %%{release}, append them after %%{gcc_release} on Release: line.
-%global gcc_release 1
+%global gcc_release 2
 %global nvptx_tools_gitrev 87ce9dc5999e5fca2e1d3478a30888d9864c9804
 %global newlib_cygwin_gitrev d45261f62a15f8abd94a1031020b9a9f455e4eed
 %global _unpackaged_files_terminate_build 0
@@ -1188,7 +1188,11 @@ CONFIGURE_OPTS="\
 %endif
 %ifarch ppc64le
 %if 0%{?rhel} >= 9
+%if 0%{?rhel} >= 10
+	--with-cpu-32=power9 --with-tune-32=power10 --with-cpu-64=power9 --with-tune-64=power10 \
+%else
 	--with-cpu-32=power9 --with-tune-32=power9 --with-cpu-64=power9 --with-tune-64=power9 \
+%endif
 %else
 	--with-cpu-32=power8 --with-tune-32=power8 --with-cpu-64=power8 --with-tune-64=power8 \
 %endif
@@ -3616,6 +3620,9 @@ end
 %endif
 
 %changelog
+* Wed Sep 25 2024 Siddhesh Poyarekar <siddhesh@redhat.com> 14.2.1-2
+- Default tuning to power 10 for RHEL10 and later (RHEL-56476).
+
 * Thu Aug  1 2024 Jakub Jelinek <jakub@redhat.com> 14.2.1-1
 - update from releases/gcc-14 branch
   - GCC 14.2 release