diff --git a/srt.spec b/srt.spec
index b98a2c7..7169cc0 100644
--- a/srt.spec
+++ b/srt.spec
@@ -1,6 +1,6 @@
 Name:           srt
 Version:        1.4.2
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Secure Reliable Transport protocol tools
 
 License:        MPLv2.0
@@ -88,6 +88,9 @@ make test \
 
 
 %changelog
+* Tue Mar 30 2021 Jonathan Wakely <jwakely@redhat.com> - 1.4.2-4
+- Rebuilt for removed libstdc++ symbol (#1937698)
+
 * Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.4.2-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild