diff --git a/pidgin-sipe.spec b/pidgin-sipe.spec
index 1f0eee1..051d3b8 100644
--- a/pidgin-sipe.spec
+++ b/pidgin-sipe.spec
@@ -22,20 +22,24 @@ Release:        0
 Summary:        Pidgin protocol plugin to connect to MS Skype for Business
 License:        GPL-2.0-or-later
 Group:          Productivity/Networking/Instant Messenger
-Url:            http://sipe.sourceforge.net/
+Url:            https://sipe.sourceforge.io/
 Source:         http://downloads.sf.net/sipe/%{name}-%{version}.tar.xz
 BuildRequires:  intltool
 BuildRequires:  libtool
 BuildRequires:  pkgconfig
 BuildRequires:  translation-update-upstream
 BuildRequires:  pkgconfig(glib-2.0)
-BuildRequires:  pkgconfig(gmime-3.0)
 BuildRequires:  pkgconfig(krb5)
 BuildRequires:  pkgconfig(nice) >= 0.1.0
 BuildRequires:  pkgconfig(nss)
 BuildRequires:  pkgconfig(purple)
 BuildRequires:  pkgconfig(telepathy-glib) >= 0.18.0
-%if 0%{?suse_version} > 1320 || 0%{?sle_version} >= 120200 || (0%{?sle_version} >= 120100 && 0%{?is_opensuse})
+%if 0%{?suse_version} >= 1500
+BuildRequires:  pkgconfig(gmime-3.0)
+%else
+BuildRequires:  pkgconfig(gmime-2.6)
+%endif
+%if 0%{?suse_version} >= 1500 || 0%{?sle_version} >= 120200
 BuildRequires:  pkgconfig(farstream-0.2)
 BuildRequires:  pkgconfig(gstreamer-1.0)
 BuildRequires:  pkgconfig(gstreamer-rtp-1.0)
@@ -62,12 +66,12 @@ Skype for Business client with Pidgin.
 Summary:        Pidgin protocol plugin to connect to MS Skype for Business
 Group:          Productivity/Networking/Instant Messenger
 Requires:       libpurple-plugin-sipe = %{version}
+%requires_ge    pidgin
 Supplements:    packageand(libpurple-plugin-sipe:pidgin)
 # pidgin-sipe was last used in openSUSE Leap 42.2.
 Provides:       %{name} = %{version}
 Obsoletes:      %{name} < %{version}
 BuildArch:      noarch
-%requires_ge    pidgin
 
 %description -n pidgin-plugin-sipe
 A third-party plugin for the Pidgin multi-protocol instant
@@ -133,7 +137,7 @@ translation-update-upstream
 %configure \
   --disable-quality-check \
   --with-krb5             \
-%if 0%{?suse_version} > 1320 || 0%{?sle_version} >= 120200 || (0%{?sle_version} >= 120100 && 0%{?is_opensuse})
+%if 0%{?suse_version} >= 1500 || 0%{?sle_version} >= 120200
   --with-vv               \
 %else
   --without-vv            \
@@ -151,8 +155,12 @@ find %{buildroot} -type f -name "*.la" -delete -print
 make %{?_smp_mflags} V=1 check
 
 %files -n pidgin-plugin-sipe
-%defattr(-,root,root)
-%doc AUTHORS ChangeLog COPYING README TODO
+%if 0%{?suse_version} >= 1500
+%license COPYING
+%else
+%doc COPYING
+%endif
+%doc AUTHORS ChangeLog README TODO
 %dir %{_datadir}/pixmaps/pidgin/
 %dir %{_datadir}/pixmaps/pidgin/protocols/
 %dir %{_datadir}/pixmaps/pidgin/protocols/*/
@@ -161,14 +169,11 @@ make %{?_smp_mflags} V=1 check
 %{_datadir}/appdata/pidgin-sipe.metainfo.xml
 
 %files -n libpurple-plugin-sipe
-%defattr(-,root,root)
 %{_libdir}/purple-2/libsipe.so
 
 %files -n libpurple-plugin-sipe-lang -f %{name}.lang
-%defattr(-,root,root)
 
 %files -n telepathy-sipe
-%defattr(-,root,root)
 %{_libexecdir}/telepathy-sipe
 %{_datadir}/telepathy/
 %{_datadir}/empathy/