diff --git a/DESCRIPTION b/DESCRIPTION
index 0f3cb97..a72e6db 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,7 +2,7 @@ Package: nat.nblast
 Type: Package
 Title: NeuroAnatomy Toolbox (nat) Extension for Assessing Neuron Similarity and
     Clustering
-Version: 1.4
+Version: 1.5
 Date: 2014-09-18
 Author: Greg Jefferis and James Manton
 Maintainer: James Manton <ajd.manton@googlemail.com>
diff --git a/NEWS b/NEWS
index 6e04815..1265627 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,14 @@
+nat.nblast 1.5
+==============
+* switch from importing nat to depending on it
+
+nat.nblast 1.4
+==============
+* use nabor package, not RANN, for finding nearest neighbours
+* add functions for creating sparse score matrices, using spam package
+* speed up extraction of diagonal elements for on-disk score matrices
+* nblast now handles all combinations of neuron and dotprops objects
+
 nat.nblast 1.3
 ==============
 * functions to create scoring matrices; see create_scoringmatrix for details.