diff --git a/ChangeLog b/ChangeLog
index 6d3a4e1637..60007a94e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+0.9.1:
+  * When devices report a battery alert, only show the alert once.
+  * Make sure devices in the window tree are sorted by registration index.
+  * Added an autostart .desktop file.
+  * Replaced single-instance code with GtkApplication.
+  * Fixed indentification of the M505 mouse.
+  * Fixed an occasional windowing layout bug with the C52F Nano Receiver.
+
 0.9.0:
   * New single-window UI.
   * Performance MX leds show the current battery charge.
diff --git a/lib/solaar/__init__.py b/lib/solaar/__init__.py
index 9557911d2d..dcc2da8f4f 100644
--- a/lib/solaar/__init__.py
+++ b/lib/solaar/__init__.py
@@ -4,5 +4,5 @@
 
 from __future__ import absolute_import, division, print_function, unicode_literals
 
-__version__ = '0.9.0'
+__version__ = '0.9.1'
 NAME = 'Solaar'
diff --git a/lib/solaar/ui/__init__.py b/lib/solaar/ui/__init__.py
index 17fd1782ba..7fc4656c9f 100644
--- a/lib/solaar/ui/__init__.py
+++ b/lib/solaar/ui/__init__.py
@@ -18,6 +18,8 @@
 
 def _init_application():
 	app = Gtk.Application.new('io.github.pwr.solaar', 0)
+	# not sure this is necessary...
+	# app.set_property('register-session', True)
 	registered = app.register(None)
 	if _log.isEnabledFor(_INFO):
 		_log.info("application %s, registered %s", app.get_dbus_object_path(), registered)