diff --git a/linuxptp.spec b/linuxptp.spec
index 1860ae4..354edb7 100644
--- a/linuxptp.spec
+++ b/linuxptp.spec
@@ -4,7 +4,7 @@
 
 Name:		linuxptp
 Version:	3.1.1
-Release:	7%{?dist}
+Release:	8%{?dist}
 Summary:	PTP implementation for Linux
 
 License:	GPLv2+
@@ -145,6 +145,9 @@ PATH=..:$PATH ./run
 %{_mandir}/man8/*.8*
 
 %changelog
+* Mon Mar 20 2023 Miroslav Lichvar <mlichvar@redhat.com> 3.1.1-8
+- don't switch from system clock to PHC with SW timestamping (#2179041)
+
 * Thu Mar 09 2023 Miroslav Lichvar <mlichvar@redhat.com> 3.1.1-7
 - don't re-arm fault clearing timer on unrelated netlink events (#2172650)