diff --git a/debian/changelog b/debian/changelog
index a368e550ba65..56601f316deb 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,7 +1,11 @@
+python-oq-engine (1.9.1-0~precise01) precise; urgency=low
+
   [Michele Simionato]
   * Fixed a bug in the Web UI when running a risk calculation starting
     from a previous calculation
 
+ -- Matteo Nastasi (GEM Foundation) <nastasi@openquake.org>  Mon, 07 Mar 2016 11:11:59 +0100
+
 python-oq-engine (1.9.0-0~precise01) precise; urgency=low
 
   [Michele Simionato]
diff --git a/openquake/engine/__init__.py b/openquake/engine/__init__.py
index 9bf626a70fed..d24200419184 100644
--- a/openquake/engine/__init__.py
+++ b/openquake/engine/__init__.py
@@ -62,7 +62,7 @@
 #  "-" + <pkg-version> + "+dev" + <secs_since_epoch> + "-" + <commit-id>
 # NB: the next line is managed by packager.sh script (we retrieve the version
 #     using sed and optionally replace it)
-__version__ = '1.9.0'
+__version__ = '1.9.1'
 __version__ += git_suffix(__file__)
 
 # The path to the OpenQuake root directory