diff --git a/ChangeLog b/ChangeLog
index a84f673..921a680 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-2016-01-06  Juergen Knoedlseder  <jurgen.knodlseder@irap.omp.eu>
+2016-01-11  Juergen Knoedlseder  <jurgen.knodlseder@irap.omp.eu>
 
         * Bug fix version 1.0.1 released
         ================================
diff --git a/NEWS b/NEWS
index 809266a..3df8d6f 100644
--- a/NEWS
+++ b/NEWS
@@ -2,7 +2,7 @@ New Features and Important Changes in ctools 1.0.1
 
 Author(s) : Juergen Knoedlseder
 
-6 January 2016
+11 January 2016
 
 
 1. Introduction
@@ -63,7 +63,10 @@ None
 11. ctmodel - CTA counts cube modelling
 ---------------------------------------
 The get_obs() method, that has been accidently removed, has been put back
-which allows computation of a model cube for a stacked analysis.
+which allows computation of a model cube for a stacked analysis. Another
+bug was corrected that led to the generation of model cubes with a single
+pixel, related to an internal change of the logic in how input information
+was handled. This fixes issue #1609.
 
 
 12. ctexpcube - CTA exposure cube generation
diff --git a/README b/README
index 3c182ce..229d5dd 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
 ctools information
 ==================
-Version:             1.0.1 (6 January 2016)
+Version:             1.0.1 (11 January 2016)
 Author:              Juergen Knodlseder (jurgen.knodlseder@irap.omp.eu)
 GammaLib dependency: 1.0.1