diff --git a/demo/Demo01.hs b/demo/Demo01.hs
--- a/demo/Demo01.hs
+++ b/demo/Demo01.hs
@@ -5,7 +5,7 @@
 
 import Wumpus.Tree
 
-import Wumpus.Basic.SVGColours                  -- package: wumpus-basic
+import Wumpus.Basic.Colour.SVGColours           -- package: wumpus-basic
 
 import Data.Tree hiding ( drawTree )
 import System.Directory
diff --git a/src/Wumpus/Tree.hs b/src/Wumpus/Tree.hs
--- a/src/Wumpus/Tree.hs
+++ b/src/Wumpus/Tree.hs
@@ -152,7 +152,7 @@
 --
 -- Suitable for printing the shape of a tree, ignoring the data.
 --
-circleNode :: DRGB -> (a -> TreeNode)
+circleNode :: RGBi -> (a -> TreeNode)
 circleNode rgb = const fn
   where
     fn = dotCircle `props` (\s -> s { stroke_colour = rgb})
@@ -162,7 +162,7 @@
 --
 -- Suitable for printing the shape of a tree, ignoring the data.
 --
-diskNode :: DRGB -> (a -> TreeNode)
+diskNode :: RGBi -> (a -> TreeNode)
 diskNode rgb = const fn
   where
     fn = dotDisk `props` (\s -> s { fill_colour = rgb})
diff --git a/src/Wumpus/Tree/Draw.hs b/src/Wumpus/Tree/Draw.hs
--- a/src/Wumpus/Tree/Draw.hs
+++ b/src/Wumpus/Tree/Draw.hs
@@ -26,12 +26,12 @@
 import Wumpus.Core                              -- package: wumpus-core
 
 import Wumpus.Basic.Anchors                     -- package: wumpus-basic
+import Wumpus.Basic.Colour.SVGColours
 import Wumpus.Basic.Dots
 import Wumpus.Basic.Graphic   
 import Wumpus.Basic.Graphic.DrawingAttr
 import Wumpus.Basic.Monads.Drawing
 import Wumpus.Basic.Monads.DrawingMonad
-import Wumpus.Basic.SVGColours
 
 import Data.VectorSpace                         -- package: vector-space
 
diff --git a/src/Wumpus/Tree/VersionNumber.hs b/src/Wumpus/Tree/VersionNumber.hs
--- a/src/Wumpus/Tree/VersionNumber.hs
+++ b/src/Wumpus/Tree/VersionNumber.hs
@@ -22,7 +22,7 @@
 
 -- | Version number
 --
--- > (0,3,0)
+-- > (0,4,0)
 --
 wumpus_tree_version :: (Int,Int,Int)
-wumpus_tree_version = (0,3,0)
+wumpus_tree_version = (0,4,0)
diff --git a/wumpus-tree.cabal b/wumpus-tree.cabal
--- a/wumpus-tree.cabal
+++ b/wumpus-tree.cabal
@@ -1,5 +1,5 @@
 name:             wumpus-tree
-version:          0.3.0
+version:          0.4.0
 license:          BSD3
 license-file:     LICENSE
 copyright:        Stephen Tetley <stephen.tetley@gmail.com>
@@ -18,7 +18,11 @@
   .
   Changelog:
   .
-  0.2.0 to 0.3.0
+  0.3.0 to 0.4.0:
+  .
+  * Updated to track changes in Wumpus-Basic. Nothing new.
+  .
+  0.2.0 to 0.3.0:
   .
   * Updated to track changes in Wumpus-Basic. No new 
     functionality.