diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 7502584..c4e2e09 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.6.2
+current_version = 0.6.3
 commit = True
 tag = True
 
diff --git a/README.md b/README.md
index 6a1fc6f..6131f70 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# abp 0.6.2
+# abp 0.6.3
 Python port of Anders and Briegel' s [method](https://arxiv.org/abs/quant-ph/0504117) for fast simulation of Clifford circuits.
 
 ## Usage
diff --git a/doc/conf.py b/doc/conf.py
index 9800c2c..6ae2efe 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -60,9 +60,9 @@ author = 'Pete Shadbolt'
 # built documents.
 #
 # The short X.Y version.
-version = '0.6.2'
+version = '0.6.3'
 # The full version, including alpha/beta/rc tags.
-release = '0.6.2'
+release = '0.6.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/doc/index.rst b/doc/index.rst
index d8c7b47..1d2a65b 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -26,7 +26,7 @@ You can install from ``pip``:
 
 .. code-block:: bash
 
-   $ pip install --user abp==0.6.2
+   $ pip install --user abp==0.6.3
 
 Alternatively, clone from the `github repo <https://github.com/peteshadbolt/abp>`_ and run ``setup.py``:
 
diff --git a/setup.py b/setup.py
index 440e295..f1725ef 100755
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@ from os import path
 
 setup(
     name = "abp",
-    version = "0.6.2",
+    version = "0.6.3",
     packages = ["abp"],
     test_suite = "tests",
     author = "Pete Shadbolt",