diff --git a/libupnp.changes b/libupnp.changes
index 4a2d05d..9ab234b 100644
--- a/libupnp.changes
+++ b/libupnp.changes
@@ -1,8 +1,16 @@
+-------------------------------------------------------------------
+Thu Mar  2 11:01:33 UTC 2017 - jengelh@inai.de
+
+- Rectify RPM groups, use find -delete over -exec rm.
+
 -------------------------------------------------------------------
 Fri Feb 24 19:26:45 UTC 2017 - olaf@aepfle.de
 
 - Update to version 1.6.21
-  see included ChangeLog for details
+  * use stderr if log file cannot be opened
+  * fix out-of-bounds access [CVE-2016-8863]
+  * miniserver: fix binding to ipv6 link-local addresses
+  * fix for file write via POST [CVE-2016-6255]
 - Replace individual packages from Packman to make migration to
   Tumbleweed easier.
 - Package LICENSE file
diff --git a/libupnp.spec b/libupnp.spec
index 5cfd8be..7853158 100644
--- a/libupnp.spec
+++ b/libupnp.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libupnp
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 # Copyright (c) 2011, Sascha Peilicke <saschpe@gmx.de>
 #
 # All modifications and additions to the file contributed by third parties
@@ -24,7 +24,7 @@ Version:        1.6.21
 Release:        0
 Summary:        Portable Universal Plug and Play (UPnP) SDK
 License:        BSD-3-Clause
-Group:          System/Libraries
+Group:          Development/Libraries/C and C++
 Url:            http://sourceforge.net/projects/pupnp/
 Source0:        http://downloads.sourceforge.net/pupnp/libupnp-%{version}.tar.bz2
 Source1:        http://sourceforge.net/projects/pupnp/files/pupnp/libUPnP%20%version/libupnp-%version.tar.bz2.sha1
@@ -41,8 +41,8 @@ systems.
 
 %package -n %lname 
 Summary:        Portable Universal Plug and Play (UPnP) SDK
-Group:          System/Libraries
 # Replace individual packages from Packman to make migration to Tumbleweed easier.
+Group:          System/Libraries
 Provides:       libixml2 = %{version}-%{release}
 Obsoletes:      libixml2 < %{version}
 Provides:       libthreadutil6 = %{version}-%{release}
@@ -74,7 +74,7 @@ make %{?_smp_mflags}
 
 %install
 %makeinstall
-find %{buildroot} -type f -name '*.la' -exec rm -f {} ';'
+find %{buildroot} -type f -name '*.la' -delete
 
 %post -p /sbin/ldconfig -n %lname