diff --git a/crun.spec b/crun.spec
index 21da92c..5f2d344 100644
--- a/crun.spec
+++ b/crun.spec
@@ -1,7 +1,7 @@
 Summary: OCI runtime written in C
 Name: crun
 Version: 0.21
-Release: 3%{?dist}
+Release: 4%{?dist}
 Source0: https://github.com/containers/%{name}/releases/download/%{version}/%{name}-%{version}.tar.gz
 License: GPLv2+
 URL: https://github.com/containers/crun
@@ -47,6 +47,10 @@ rm -rf %{buildroot}%{_prefix}/lib*
 %{_mandir}/man1/*
 
 %changelog
+* Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 0.21-4
+- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
+  Related: rhbz#1991688
+
 * Fri Aug 06 2021 Jindrich Novy <jnovy@redhat.com> - 0.21-3
 - do not use versioned provide
 - Resolves: #1974951