diff --git a/fetchmail.spec b/fetchmail.spec
index 427c3a3..4d5289c 100644
--- a/fetchmail.spec
+++ b/fetchmail.spec
@@ -1,7 +1,7 @@
 Summary: A remote mail retrieval and forwarding utility
 Name: fetchmail
 Version: 6.4.18
-Release: 3%{?dist}
+Release: 4%{?dist}
 Source0: http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.xz
 Source1: http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.xz.asc
 # systemd service file
@@ -62,6 +62,10 @@ rm -f $RPM_BUILD_ROOT%{python3_sitelib}/__pycache__/fetchmailconf*
 %config(noreplace) %attr(0600, mail, mail) %{_sysconfdir}/fetchmailrc.example
 
 %changelog
+* Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 6.4.18-4
+- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
+  Related: rhbz#1991688
+
 * Wed Jun 16 2021 Mohan Boddu <mboddu@redhat.com> - 6.4.18-3
 - Rebuilt for RHEL 9 BETA for openssl 3.0
   Related: rhbz#1971065