diff --git a/docs/conf.py b/docs/conf.py
index eeaa670..7bf954e 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -55,9 +55,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'0.4.2'
+version = u'0.5'
 # The full version, including alpha/beta/rc tags.
-release = u'0.4.2'
+release = u'0.5'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/nanoraw/nanoraw_helper.py b/nanoraw/nanoraw_helper.py
index 29c1835..7bab0da 100644
--- a/nanoraw/nanoraw_helper.py
+++ b/nanoraw/nanoraw_helper.py
@@ -8,7 +8,7 @@
 from itertools import izip
 from collections import defaultdict, namedtuple
 
-NANORAW_VERSION = '0.4.2'
+NANORAW_VERSION = '0.5'
 
 SMALLEST_PVAL = 1e-20
 
diff --git a/setup.py b/setup.py
index 8241936..988b056 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@ def readme():
 
 setup(
     name = "nanoraw",
-    version = "0.4.2",
+    version = "0.5",
     packages = ["nanoraw"],
     install_requires = ['h5py', 'numpy', 'scipy'],
     extras_require={'plot':['rpy2']},