diff --git a/SPECS/kmod-arcmsr.spec b/SPECS/kmod-arcmsr.spec
index ec45712..4bd9899 100644
--- a/SPECS/kmod-arcmsr.spec
+++ b/SPECS/kmod-arcmsr.spec
@@ -21,7 +21,7 @@
 
 Name:             kmod-%{pkg}
 Version:          4.18.0.305
-Release:          3%{?dist}
+Release:          4%{?dist}
 Summary:          ARECA ARC11xx/12xx/13xx/16xx SATA/SAS RAID Controller (%{pkg}) driver
 
 License:          GPLv2
@@ -60,6 +60,22 @@ Requires(post):   %{_sbindir}/weak-modules
 Requires(postun): %{_sbindir}/weak-modules
 
 
+%if "%{version}" == "4.18.0.305" && "%{release}" == "2%{?dist}"
+Obsoletes:        kmod-%{pkg} = %{?epoch:%{epoch}:}%{version}-1%{?dist}
+%endif
+
+%if "%{version}" == "4.18.0.305" && "%{release}" == "3%{?dist}"
+Obsoletes:        kmod-%{pkg} = %{?epoch:%{epoch}:}%{version}-1%{?dist}
+Obsoletes:        kmod-%{pkg} = %{?epoch:%{epoch}:}%{version}-2%{?dist}
+%endif
+
+%if "%{version}" == "4.18.0.305" && "%{release}" == "4%{?dist}"
+Obsoletes:        kmod-%{pkg} = %{?epoch:%{epoch}:}%{version}-1%{?dist}
+Obsoletes:        kmod-%{pkg} = %{?epoch:%{epoch}:}%{version}-2%{?dist}
+Obsoletes:        kmod-%{pkg} = %{?epoch:%{epoch}:}%{version}-3%{?dist}
+%endif
+
+
 %description
 This driver supports ARECA's SATA/SAS RAID controller cards.
 
@@ -127,6 +143,9 @@ fi
 
 
 %changelog
+* Thu Jan 27 2022 Peter Georg <peter.georg@physik.uni-regensburg.de> - 4.18.0.305-4
+- Add obsoletes for update path
+
 * Wed Jan 26 2022 Peter Georg <peter.georg@physik.uni-regensburg.de> - 4.18.0.305-3
 - Drop dracut conf