diff --git a/libfido2.changes b/libfido2.changes
index 90ed755..e31bb44 100644
--- a/libfido2.changes
+++ b/libfido2.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Nov 17 17:59:21 UTC 2020 - Hans Petter Jansson <hpj@suse.com>
+
+- Add Conflicts: to supersede version 1.0.0. This is needed for
+  a clean upgrade path on SLE.
+
 -------------------------------------------------------------------
 Wed Sep  9 13:33:47 UTC 2020 - Ismail Dönmez <idonmez@suse.com>
 
diff --git a/libfido2.spec b/libfido2.spec
index e77f210..9d04996 100644
--- a/libfido2.spec
+++ b/libfido2.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libfido2
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2020 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -54,6 +54,7 @@ Summary:        Development files for FIDO U2F and FIDO 2.0 protocols
 Requires:       %{name}-%{sover} = %{version}
 Requires:       libopenssl-1_1-devel
 Conflicts:      libfido2-0_4_0
+Conflicts:      libfido2-1_0_0
 
 %description -n %{name}-devel
 This package contains the header file needed to develop applications that
@@ -62,6 +63,7 @@ use FIDO U2F and FIDO 2.0 protocols.
 %package     -n %{name}-utils
 Summary:        Utility programs making use of libfido2, a library for FIDO U2F and FIDO 2.0
 Conflicts:      libfido2-0_4_0
+Conflicts:      libfido2-1_0_0
 
 %description -n %{name}-utils
 This package contains utilities to use FIDO U2F and FIDO 2.0 protocols.