diff --git a/systemtap.spec b/systemtap.spec
index 6063614..313cd58 100644
--- a/systemtap.spec
+++ b/systemtap.spec
@@ -90,7 +90,7 @@
 
 Name: systemtap
 Version: 4.5
-Release: 4%{?release_override}%{?dist}
+Release: 5%{?release_override}%{?dist}
 # for version, see also configure.ac
 
 
@@ -1219,6 +1219,10 @@ exit 0
 
 # PRERELEASE
 %changelog
+* Tue Aug 10 2021 Mohan Boddu <mboddu@redhat.com> - 4.5-5
+- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
+  Related: rhbz#1991688
+
 * Mon Jul 26 2021 Frank Ch. Eigler <fche@redhat.com> - 4.5-3
 - rhbz1982908: Import hardening c*flags from specs/rhel standards