diff --git a/README.md b/README.md
index 88ccdfa..c211efd 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 [coverage-image]: https://coveralls.io/repos/github/bakwc/PySyncObj/badge.svg?branch=master
 [coverage]: https://coveralls.io/github/bakwc/PySyncObj?branch=master
 
-[release-image]: https://img.shields.io/badge/release-0.3.12-blue.svg?style=flat
+[release-image]: https://img.shields.io/badge/release-0.3.13-blue.svg?style=flat
 [releases]: https://github.com/bakwc/PySyncObj/releases
 
 [license-image]: https://img.shields.io/badge/license-MIT-blue.svg?style=flat
diff --git a/docs/source/conf.py b/docs/source/conf.py
index f506f47..c99f095 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -64,9 +64,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'0.3.12'
+version = u'0.3.13'
 # The full version, including alpha/beta/rc tags.
-release = u'0.3.12'
+release = u'0.3.13'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/pysyncobj/version.py b/pysyncobj/version.py
index 3b59d7f..954b701 100644
--- a/pysyncobj/version.py
+++ b/pysyncobj/version.py
@@ -1 +1 @@
-VERSION = '0.3.12'
+VERSION = '0.3.13'