diff --git a/libsigc++20.spec b/libsigc++20.spec
index 408ec9a..fe7f405 100644
--- a/libsigc++20.spec
+++ b/libsigc++20.spec
@@ -3,7 +3,7 @@
 
 Name:           libsigc++20
 Version:        2.10.6
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Typesafe signal framework for C++
 
 License:        LGPLv2+
@@ -79,6 +79,10 @@ This package contains the full API documentation for %{name}.
 
 
 %changelog
+* Mon Aug 23 2021 Brian Stinson <bstinson@redhat.com> - 2.10.6-4
+- Rebuilt for IMA sigs, glibc 2.34, and aarch64 flags
+  Related: rhbz#1991688
+
 * Fri Apr 16 2021 Brian Stinson <bstinson@redhat.com> - 2.10.6-3
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937