diff --git a/arcsecond/__init__.py b/arcsecond/__init__.py
index c66606b..8031f7d 100644
--- a/arcsecond/__init__.py
+++ b/arcsecond/__init__.py
@@ -7,4 +7,4 @@
            "ArcsecondConnectionError",
            "ArcsecondInvalidEndpointError"]
 
-__version__ = '0.6.4'
+__version__ = '0.6.6'