diff --git a/units.spec b/units.spec
index fb86e84..8e8bd58 100644
--- a/units.spec
+++ b/units.spec
@@ -1,7 +1,7 @@
 Summary: A utility for converting amounts from one unit to another
 Name: units
 Version: 2.21
-Release: 3%{?dist}
+Release: 4%{?dist}
 Source: https://ftp.gnu.org/gnu/units/%{name}-%{version}.tar.gz
 URL: https://www.gnu.org/software/units/units.html
 License: GPLv3+
@@ -55,6 +55,10 @@ make check
 %{_mandir}/man1/*
 
 %changelog
+* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 2.21-4
+- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
+  Related: rhbz#1991688
+
 * Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 2.21-3
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937