diff --git a/README.rst b/README.rst
index 66a2c43..807b51d 100644
--- a/README.rst
+++ b/README.rst
@@ -33,11 +33,11 @@ You can try Birdy online using Binder (just click on the binder link below),
 or view the notebooks on NBViewer.
 
 .. image:: https://mybinder.org/badge_logo.svg
-   :target: https://mybinder.org/v2/gh/bird-house/birdy.git/v0.6.5?filepath=notebooks
+   :target: https://mybinder.org/v2/gh/bird-house/birdy.git/v0.6.6?filepath=notebooks
    :alt: Binder Launcher
 
 .. image:: https://raw.githubusercontent.com/jupyter/design/master/logos/Badges/nbviewer_badge.svg
-   :target: https://nbviewer.jupyter.org/github/bird-house/birdy/tree/v0.6.5/notebooks/
+   :target: https://nbviewer.jupyter.org/github/bird-house/birdy/tree/v0.6.6/notebooks/
    :alt: NBViewer
    :height: 20
 
diff --git a/birdy/__init__.py b/birdy/__init__.py
index 5cae875..b2d1272 100644
--- a/birdy/__init__.py
+++ b/birdy/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '0.6.5'
+__version__ = '0.6.6'
 
 from .client import WPSClient
 
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 1c9ce50..79e43c4 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -80,7 +80,7 @@
 # The short X.Y version.
 version = ''
 # The full version, including alpha/beta/rc tags.
-release = '0.6.5'
+release = '0.6.6'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.cfg b/setup.cfg
index 3d28d37..7a1d3f7 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.6.5
+current_version = 0.6.6
 commit = True
 tag = True