diff --git a/rtmidi-3.0.0.tar.gz b/rtmidi-3.0.0.tar.gz
deleted file mode 100644
index eaf1cc3..0000000
--- a/rtmidi-3.0.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d6ee3620236904a1067bd615ff012f1064cbfb389b09ac0b847bbcbd0f565214
-size 486434
diff --git a/rtmidi-2.1.1-pkgconfig.patch b/rtmidi-4.0.0-pkgconfig.patch
similarity index 53%
rename from rtmidi-2.1.1-pkgconfig.patch
rename to rtmidi-4.0.0-pkgconfig.patch
index bfdfdb9..f6c8f72 100644
--- a/rtmidi-2.1.1-pkgconfig.patch
+++ b/rtmidi-4.0.0-pkgconfig.patch
@@ -1,6 +1,7 @@
-diff -up rtmidi-2.1.1/rtmidi.pc.in.orig rtmidi-2.1.1/rtmidi.pc.in
---- rtmidi-2.1.1/rtmidi.pc.in.orig	2016-02-13 19:10:12.000000000 +0100
-+++ rtmidi-2.1.1/rtmidi.pc.in	2017-01-30 09:57:26.476566712 +0100
+Index: rtmidi-4.0.0/rtmidi.pc.in
+===================================================================
+--- rtmidi-4.0.0.orig/rtmidi.pc.in
++++ rtmidi-4.0.0/rtmidi.pc.in
 @@ -1,12 +1,12 @@
  prefix=@prefix@
 -exec_prefix=${prefix}
@@ -8,7 +9,7 @@ diff -up rtmidi-2.1.1/rtmidi.pc.in.orig rtmidi-2.1.1/rtmidi.pc.in
 -includedir=${prefix}/include/rtmidi
 +exec_prefix=@exec_prefix@
 +libdir=@libdir@
-+includedir=@includedir@       
++includedir=@includedir@
  
 -Name: librtmidi
 +Name: rtmidi
@@ -17,6 +18,5 @@ diff -up rtmidi-2.1.1/rtmidi.pc.in.orig rtmidi-2.1.1/rtmidi.pc.in
  Requires: @req@ 
  Libs: -L${libdir} -lrtmidi
  Libs.private: -lpthread
--Cflags: -pthread -I${includedir} @CPPFLAGS@
-\ Kein Zeilenumbruch am Dateiende.
-+Cflags: -pthread @CPPFLAGS@
+-Cflags: -pthread -I${includedir} @api@
++Cflags: -pthread -I${includedir}/rtmidi @api@
diff --git a/rtmidi-4.0.0.tar.gz b/rtmidi-4.0.0.tar.gz
new file mode 100644
index 0000000..0238df3
--- /dev/null
+++ b/rtmidi-4.0.0.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:370cfe710f43fbeba8d2b8c8bc310f314338c519c2cf2865e2d2737b251526cd
+size 509743
diff --git a/rtmidi.changes b/rtmidi.changes
index da44dfb..5c11105 100644
--- a/rtmidi.changes
+++ b/rtmidi.changes
@@ -1,3 +1,19 @@
+-------------------------------------------------------------------
+Mon Apr 22 14:03:48 UTC 2019 - Luigi Baldoni <aloisio@gmx.com>
+
+- Update to version 4.0.0
+  * see git history for complete list of changes
+  * updates to test programs to clarify port numbering
+  * new C API wrapper
+  * new functions to get API names
+  * miscellaneous sysex fixes in Jack and ALSA
+  * new setPortName() method (for Jack and ALSA)
+  * new setClientName() method (for ALSA)
+  * various build system updates and code efficiencies
+
+- Refreshed rtmidi-2.1.1-pkgconfig.patch as
+  rtmidi-4.0.0-pkgconfig.patch
+
 -------------------------------------------------------------------
 Thu Apr 19 11:31:53 UTC 2018 - aloisio@gmx.com
 
diff --git a/rtmidi.spec b/rtmidi.spec
index f6625b7..44b04ca 100644
--- a/rtmidi.spec
+++ b/rtmidi.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package rtmidi
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
 # Copyright (c) 2015 Packman Team <packman@links2linux.de>
 #
 # All modifications and additions to the file contributed by third parties
@@ -13,21 +13,21 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via http://bugs.opensuse.org/
+# Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
 
-%define sover   4
+%define sover   5
 Name:           rtmidi
-Version:        3.0.0
+Version:        4.0.0
 Release:        0
 Summary:        C++ library for realtime MIDI input/ouput
 License:        MIT
 Group:          Productivity/Multimedia/Sound/Utilities
-Url:            https://www.music.mcgill.ca/~gary/rtmidi/index.html
+URL:            https://www.music.mcgill.ca/~gary/rtmidi/index.html
 Source0:        https://www.music.mcgill.ca/~gary/rtmidi/release/%{name}-%{version}.tar.gz
 # PATCH-FIX-OPENSUSE pkgconfig.patch avvissu@yandex.ru
-Patch0:         rtmidi-2.1.1-pkgconfig.patch
+Patch0:         rtmidi-4.0.0-pkgconfig.patch
 BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  gcc-c++
@@ -76,7 +76,6 @@ make %{?_smp_mflags} CXXFLAGS="%{optflags}" V=1
 
 %install
 %make_install
-sed -i '/LIBRARY/s|\ -L/usr/lib||' %{name}-config
 install -Dm0755 %{name}-config %{buildroot}%{_bindir}/%{name}-config
 find %{buildroot} -type f -name "*.la" -delete -print