diff --git a/rpm_spec/core-vm.spec b/rpm_spec/core-vm.spec
index 1417449..e5319a2 100644
--- a/rpm_spec/core-vm.spec
+++ b/rpm_spec/core-vm.spec
@@ -70,7 +70,7 @@ Obsoletes:  qubes-core-commonvm
 Obsoletes:  qubes-core-appvm
 Obsoletes:  qubes-core-netvm
 Obsoletes:  qubes-core-proxyvm
-Obsoletes:  qubes-upgrade-vm < 3.0
+Obsoletes:  qubes-upgrade-vm < 3.1
 BuildRequires: xen-devel
 BuildRequires: libX11-devel
 BuildRequires: qubes-utils-devel >= 3.0.1