diff --git a/libksysguard.spec b/libksysguard.spec
index b9d5952..080d657 100644
--- a/libksysguard.spec
+++ b/libksysguard.spec
@@ -2,7 +2,7 @@
 Name:    libksysguard
 Summary: Library for managing processes running on the system
 Version: 5.21.90
-Release: 3%{?dist}
+Release: 4%{?dist}
 
 License: GPLv2+
 URL:     https://invent.kde.org/plasma/%{name}
@@ -56,6 +56,9 @@ Provides:       kf5-ksysguard = %{version}-%{release}
 
 Requires:       %{name}-common = %{version}-%{release}
 
+## upgrade path, https://bugzilla.redhat.com/show_bug.cgi?id=1963354
+Conflicts: ksysguard-backends < 5.21.90
+
 %description
 KSysGuard library provides API to read and manage processes
 running on the system.
@@ -146,6 +149,9 @@ developing applications that use %{name}.
 
 
 %changelog
+* Sun May 30 2021 Rex Dieter <rdieter@fedoraproject.org> - 5.21.90-4
+- Conflicts: ksysguard-backends < 5.21.90 (#1963354)
+
 * Tue May 18 2021 Rex Dieter <rdieter@fedoraproject.org> - 5.21.90-3
 - drop Obsoletes/Provides: ksystemstats