diff --git a/setup.py b/setup.py
index f1e06d54..3ab0bece 100644
--- a/setup.py
+++ b/setup.py
@@ -54,7 +54,7 @@
 if py_version < '2.7':
     REQUIRED_PACKAGES.append('argparse>=1.2.1')
 
-_APITOOLS_VERSION = '0.5.5'
+_APITOOLS_VERSION = '0.5.6'
 
 with open('README.rst') as fileobj:
     README = fileobj.read()