diff --git a/CHANGES.txt b/CHANGES.txt
index 35b355e..03d3b94 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,6 @@
+Sep 19, 2013 - v0.5.1  Added more resiliency to XML box parsing.  Fixed tests
+    that failed if OPJ_DATA_ROOT not set.
+
 Sep 16, 2013 - v0.5.0  Added write support for 1.5.x.  Added version module.
 
 Aug 21, 2013 - v0.4.1  Fixed segfault with openjpeg 1.x when rlevel=-1
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 6b9eb18..25d944f 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -78,7 +78,7 @@ copyright = u'2013, John Evans'
 # The short X.Y version.
 version = '0.5'
 # The full version, including alpha/beta/rc tags.
-release = '0.5.0'
+release = '0.5.1'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/glymur/version.py b/glymur/version.py
index 740d610..274a222 100644
--- a/glymur/version.py
+++ b/glymur/version.py
@@ -13,7 +13,7 @@ from distutils.version import LooseVersion
 from .lib import openjpeg as opj
 from .lib import openjp2 as opj2
 
-version = "0.5.0"
+version = "0.5.1rc1"
 _sv = LooseVersion(version)
 version_tuple = _sv.version