diff --git a/xpra-3.0.9.tar.xz b/xpra-3.0.9.tar.xz
deleted file mode 100644
index 0880705..0000000
--- a/xpra-3.0.9.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:277e6a03fd5b81a966cb0227c39ab1c159d7464365f69ba36b6bdfd0c39f1a13
-size 2760888
diff --git a/xpra-4.0.tar.xz b/xpra-4.0.tar.xz
new file mode 100644
index 0000000..f081f6a
--- /dev/null
+++ b/xpra-4.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:51ae2450518543eb7e135add94fd65dffd03052a0e8815f7058b5a45f4b67360
+size 2787096
diff --git a/xpra-paths.patch b/xpra-paths.patch
index b4ba029..740c27e 100644
--- a/xpra-paths.patch
+++ b/xpra-paths.patch
@@ -1,8 +1,8 @@
-Index: xpra-3.0.6/setup.py
+Index: xpra-4.0/setup.py
 ===================================================================
---- xpra-3.0.6.orig/setup.py
-+++ xpra-3.0.6/setup.py
-@@ -1502,7 +1502,7 @@ else:
+--- xpra-4.0.orig/setup.py
++++ xpra-4.0/setup.py
+@@ -1477,7 +1477,7 @@ else:
          add_data_files("%s/man1" % man_path,  ["man/xpra.1", "man/xpra_launcher.1"])
          add_data_files("share/applications",  glob.glob("xdg/*.desktop"))
          add_data_files("share/mime/packages", ["xdg/application-x-xpraconfig.xml"])
@@ -11,7 +11,7 @@ Index: xpra-3.0.6/setup.py
          add_data_files("share/metainfo",      ["xdg/xpra.appdata.xml"])
  
      #here, we override build and install so we can
-@@ -1575,10 +1575,10 @@ else:
+@@ -1553,10 +1553,10 @@ else:
              if pam_ENABLED:
                  copytodir("etc/pam.d/xpra", "/etc/pam.d")
  
@@ -24,7 +24,7 @@ Index: xpra-3.0.6/setup.py
                      if sd_listen_ENABLED:
                          copytodir("service/xpra.service", systemd_dir)
                      else:
-@@ -1586,7 +1586,9 @@ else:
+@@ -1564,7 +1564,9 @@ else:
                  else:
                      copytodir("service/xpra", "/etc/init.d")
                  if os.path.exists("/etc/sysconfig"):
@@ -35,8 +35,8 @@ Index: xpra-3.0.6/setup.py
                  elif os.path.exists("/etc/default"):
                      copytodir("etc/sysconfig/xpra", "/etc/default")
              if sd_listen_ENABLED:
-@@ -1704,7 +1706,6 @@ if scripts_ENABLED:
- toggle_modules(WIN32, "xpra/scripts/win32_proxy_service")
+@@ -1676,7 +1678,6 @@ if scripts_ENABLED:
+ toggle_modules(WIN32, "xpra/scripts/win32_service")
  
  if data_ENABLED:
 -    add_data_files(share_xpra,                      ["README", "COPYING"])
diff --git a/xpra.changes b/xpra.changes
index 0a432fe..f6f9daa 100644
--- a/xpra.changes
+++ b/xpra.changes
@@ -1,3 +1,40 @@
+-------------------------------------------------------------------
+Sun May 10 18:10:53 UTC 2020 - Luigi Baldoni <aloisio@gmx.com>
+
+- Update to version 4.0
+  * Drop support for:
+    + Python 2, GTK2
+    + legacy versions (pre 1.0)
+    + weak authentication
+  * Network, per socket options:
+    + authentication and encryption
+    + ssl
+    + ssh
+    + bind options for client
+  * make it easier to send files from the server
+  * xpra toolbox subcommand
+  * xpra help subcommand
+  * xpra top new features
+  * faster startup
+  * signal handling fixes
+  * smoother window resizing
+  * refactoring and testing
+    + unit tests coverage and fixes
+    + completely skip loading unused features at runtime
+    + get rid of capabilities data after parsing it
+    + better module dependency separation
+    + don't convert to a string before we need it
+  * more useful window and tray title
+  * make it easier to source environment
+  * disable desktop animations in desktop mode
+  * automatic start-or-upgrade, automatic X11 display rescue
+  * support MS Windows OpenSSH server to start shadow
+  * more selective use of OpenGL acceleration in client
+  * expose server OpenGL capabilities
+  * cleaner HTML5 syntax
+
+- Refresh xpra-paths.patch
+
 -------------------------------------------------------------------
 Tue Apr 14 16:14:15 UTC 2020 - Luigi Baldoni <aloisio@gmx.com>
 
diff --git a/xpra.spec b/xpra.spec
index 44b8560..25f0a94 100644
--- a/xpra.spec
+++ b/xpra.spec
@@ -19,7 +19,7 @@
 
 %global __requires_exclude ^typelib\\(GtkosxApplication\\)|typelib\\(GdkGLExt\\)|typelib\\(GtkGLExt\\).*$
 Name:           xpra
-Version:        3.0.9
+Version:        4.0
 Release:        0
 Summary:        Remote display server for applications and desktops
 License:        GPL-2.0-or-later AND BSD-3-Clause AND LGPL-3.0-or-later AND MIT
@@ -122,8 +122,6 @@ install -m0644 %{SOURCE1} -t xdg
 sed -e 's|__FILLUPDIR__|%{_fillupdir}|' \
     -e 's|__UNITDIR__|%{_unitdir}|' \
     -i setup.py
-# fix shebang
-sed -i 's|^#!.*|#!%__python3|' scripts/auth_dialog scripts/xdg-open
 
 %build
 python3 setup.py build \