diff --git a/glibc.spec b/glibc.spec
index d8a0184..5918cea 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -145,7 +145,7 @@ 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 42
+%global baserelease 43
 Release: %{baserelease}%{?dist}
 
 # Licenses:
@@ -2573,6 +2573,9 @@ update_gconv_modules_cache ()
 %endif
 
 %changelog
+* Wed Jul 09 2025 Florian Weimer <fweimer@redhat.com> - 2.39-43
+- Rebuild due to SIGNSERVER-1997 (RHEL-102555)
+
 * Thu Jul 03 2025 Florian Weimer  <fweimer@redhat.com> - 2.39-42
 - Restore _rtld_global_layout on x86-64, freeze tunables order (RHEL-101754)