diff --git a/glibc.spec b/glibc.spec
index a338188..5e6fa9fb 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -170,7 +170,7 @@ Version: %{glibcversion}
 # - It allows using the Release number without the %%dist tag in the dependency
 #   generator to make the generated requires interchangeable between Rawhide
 #   and ELN (.elnYY < .fcXX).
-%global baserelease 9
+%global baserelease 10
 Release: %{baserelease}%{?dist}
 
 # Licenses:
@@ -2556,6 +2556,9 @@ update_gconv_modules_cache ()
 %endif
 
 %changelog
+* Fri May 03 2024 Florian Weimer <fweimer@redhat.com> - 2.39-10
+- Build POWER10 multilib
+
 * Fri Apr 26 2024 Florian Weimer <fweimer@redhat.com> - 2.39-9
 - nscd is currently not build, so the security fixes below are not relevant.
 - Sync with upstream branch release/2.39/master,