diff --git a/ocaml-calendar.spec b/ocaml-calendar.spec
index cb8af24..7a5cbb9 100644
--- a/ocaml-calendar.spec
+++ b/ocaml-calendar.spec
@@ -4,7 +4,7 @@
 
 Name:           ocaml-calendar
 Version:        2.04
-Release:        38%{?dist}
+Release:        39%{?dist}
 Summary:        Objective Caml library for managing dates and times
 License:        LGPLv2
 
@@ -78,6 +78,10 @@ make install
 
 
 %changelog
+* Mon Aug 09 2021 Mohan Boddu <mboddu@redhat.com> - 2.04-39
+- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags
+  Related: rhbz#1991688
+
 * Wed Jun 23 2021 Richard W.M. Jones <rjones@redhat.com> - 2.04-38
 - Bump and rebuild
   resolves: rhbz#1975298