diff --git a/docs/conf.py b/docs/conf.py
index 17266f1..e2d462f 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -54,9 +54,9 @@ copyright = u'2013, Bert Constantin, Chris Glass, Diederik van der Boor'
 # built documents.
 #
 # The short X.Y version.
-version = '0.5.5'
+version = '0.5.6'
 # The full version, including alpha/beta/rc tags.
-release = '0.5.5'
+release = '0.5.6'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/polymorphic/__version__.py b/polymorphic/__version__.py
index fc007fc..068f70f 100644
--- a/polymorphic/__version__.py
+++ b/polymorphic/__version__.py
@@ -11,4 +11,4 @@ Release logic:
     6. git commit
     7. push to github
 """
-__version__ = "0.5.5"
+__version__ = "0.5.6"