diff --git a/glibc.spec b/glibc.spec
index eeaec84..130dace 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -159,7 +159,7 @@ 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 17
+%global baserelease 18
 Release: %{baserelease}%{?dist}
 
 # In general, GPLv2+ is used by programs, LGPLv2+ is used for
@@ -2213,6 +2213,9 @@ update_gconv_modules_cache ()
 %files -f compat-libpthread-nonshared.filelist -n compat-libpthread-nonshared
 
 %changelog
+* Wed Jul 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 2.37.9000-18
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
+
 * Tue Jul 11 2023 Arjun Shankar <arjun@redhat.com> - 2.37.9000-17
 - Auto-sync with upstream branch master,
   commit 7f079fdc16e88ebb8020e17b2fd900e8924da29a: