diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,26 +1,28 @@
 Copyright © 2007–2009 Brandenburgische Technische Universität Cottbus
-Copyright © 2011–2012 Wolfgang Jeltsch
+Copyright © 2011–2014 Wolfgang Jeltsch
 All rights reserved.
 
-Redistribution and use in source and binary forms, with or without modification, are permitted
-provided that the following conditions are met:
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
 
-    * Redistributions of source code must retain the above copyright notice, this list of conditions
-      and the following disclaimer.
+    • Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
 
-    * Redistributions in binary form must reproduce the above copyright notice, this list of
-      conditions and the following disclaimer in the documentation and/or other materials provided
-      with the distribution.
+    • Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
 
-    * Neither the name of the copyright holders nor the names of the contributors may be used to
-      endorse or promote products derived from this software without specific prior written
-      permission.
+    • Neither the name of the copyright holders nor the names of the
+      contributors may be used to endorse or promote products derived from this
+      software without specific prior written permission.
 
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
-CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
-IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
-THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/grapefruit-ui-gtk.cabal b/grapefruit-ui-gtk.cabal
--- a/grapefruit-ui-gtk.cabal
+++ b/grapefruit-ui-gtk.cabal
@@ -1,20 +1,21 @@
 Name:          grapefruit-ui-gtk
-Version:       0.1.0.4
-Cabal-Version: >= 1.6
+Version:       0.1.0.5
+Cabal-Version: >= 1.8
 Build-Type:    Simple
 License:       BSD3
 License-File:  LICENSE
 Copyright:     © 2007–2009 Brandenburgische Technische Universität Cottbus
-               © 2011–2013 Wolfgang Jeltsch
+               © 2011–2014 Wolfgang Jeltsch
 Author:        Wolfgang Jeltsch
 Maintainer:    wolfgang@cs.ioc.ee
 Stability:     provisional
 Homepage:      http://grapefruit-project.org/
-Package-URL:   http://hackage.haskell.org/packages/archive/grapefruit-ui-gtk/0.1.0.4/grapefruit-ui-gtk-0.1.0.4.tar.gz
+Package-URL:   http://hackage.haskell.org/packages/archive/grapefruit-ui-gtk/0.1.0.5/grapefruit-ui-gtk-0.1.0.5.tar.gz
 Synopsis:      GTK+-based backend for declarative user interface programming
-Description:   Grapefruit is a library for Functional Reactive Programming (FRP) with a focus on
-               user interfaces. FRP makes it possible to implement reactive and interactive systems
-               in a declarative style. To learn more about FRP, have a look at
+Description:   Grapefruit is a library for Functional Reactive Programming (FRP)
+               with a focus on user interfaces. FRP makes it possible to
+               implement reactive and interactive systems in a declarative
+               style. To learn more about FRP, have a look at
                <http://haskell.org/haskellwiki/Functional_Reactive_Programming>.
                .
                This package contains the GTK+-based user interface backend.
@@ -22,9 +23,9 @@
 Tested-With:   GHC == 7.6.3
 
 Source-Repository this
-    type:     darcs
-    location: http://darcs.grapefruit-project.org/monolithic/0.1
-    tag:      grapefruit-0.1.0.4
+    Type:     darcs
+    Location: http://darcs.grapefruit-project.org/monolithic/0.1
+    Tag:      grapefruit-0.1.0.5
 
 Library
     Build-Depends:   base               >= 3.0    && < 5,
@@ -34,8 +35,8 @@
                      grapefruit-frp     >= 0.1    && < 0.2,
                      grapefruit-records >= 0.1    && < 0.2,
                      grapefruit-ui      >= 0.1    && < 0.2,
-                     glib               >= 0.9.13 && < 0.13,
-                     gtk                >= 0.9.13 && < 0.13
+                     glib               >= 0.9.13 && < 0.14,
+                     gtk                >= 0.9.13 && < 0.14
     Extensions:      Arrows
                      ExistentialQuantification
                      FlexibleContexts
diff --git a/src/Graphics/UI/Grapefruit/GTK.hs b/src/Graphics/UI/Grapefruit/GTK.hs
--- a/src/Graphics/UI/Grapefruit/GTK.hs
+++ b/src/Graphics/UI/Grapefruit/GTK.hs
@@ -82,7 +82,7 @@
 
     instance BasicUIBackend GTK where
 
-        label = widgetBrick (Gtk.labelNew Nothing)
+        label = widgetBrick (Gtk.labelNew (Nothing :: Maybe String))
                             Gtk.toWidget
                             (X :& Text := attrConsumer Gtk.labelLabel)
                             X
