diff --git a/CHANGES.markdown b/CHANGES.markdown
--- a/CHANGES.markdown
+++ b/CHANGES.markdown
@@ -1,3 +1,10 @@
+1.4 (2016-10-26)
+----------------
+
+* Updates for diagrams 1.4:
+  - allow diagrams-lib-1.4
+  - allow diagrams-cairo-1.4
+
 1.3.0.2 (16 June 2016)
 ----------------------
 
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,10 +1,10 @@
 Copyright (c) 2012-2015 the diagrams-gtk team:
 
-   Daniel Bergey
-   Jonas Haag
-   John Lato
-   Jeffrey Rosenbluth
-   Brent Yorgey
+   Daniel Bergey <bergey@teallabs.org>
+   Jonas Haag <jonas@lophus.org>
+   John Lato <jwlato@gmail.com>
+   Jeffrey Rosenbluth <Jeffrey.Rosenbluth@gmail.com>
+   Brent Yorgey <byorgey@gmail.com>
 
 All rights reserved.
 
diff --git a/diagrams-gtk.cabal b/diagrams-gtk.cabal
--- a/diagrams-gtk.cabal
+++ b/diagrams-gtk.cabal
@@ -1,5 +1,5 @@
 name:                diagrams-gtk
-version:             1.3.0.2
+version:             1.4
 synopsis:            Backend for rendering diagrams directly to GTK windows
 description:         An optional add-on to the diagrams-cairo package
                      which allows rendering diagrams directly to GTK windows.
@@ -12,7 +12,7 @@
 category:            Graphics
 build-type:          Simple
 cabal-version:       >=1.10
-tested-with:         GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.1, GHC == 8.0.1
+tested-with:         GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.2, GHC == 8.0.1
 extra-source-files:  CHANGES.markdown, README.markdown
 
 source-repository head
@@ -22,8 +22,8 @@
 library
   exposed-modules:     Diagrams.Backend.Gtk
   build-depends:       base >= 4.2 && < 4.10,
-                       diagrams-lib >= 1.3 && < 1.4,
-                       diagrams-cairo >= 1.3 && < 1.4,
+                       diagrams-lib >= 1.3 && < 1.5,
+                       diagrams-cairo >= 1.3 && < 1.5,
                        gtk >= 0.12.0 && < 0.15,
                        cairo >= 0.12.4 && < 0.14
   hs-source-dirs:      src