diff --git a/python/ray/__init__.py b/python/ray/__init__.py
index ed024a107..8804bf9e2 100644
--- a/python/ray/__init__.py
+++ b/python/ray/__init__.py
@@ -65,7 +65,7 @@ import ray.actor  # noqa: F401
 from ray.actor import method  # noqa: E402
 
 # Ray version string.
-__version__ = "0.6.0"
+__version__ = "0.6.1"
 
 __all__ = [
     "error_info", "init", "connect", "disconnect", "get", "put", "wait",