diff --git a/tpunicorn/_version.py b/tpunicorn/_version.py
index b1f01f1..829257d 100644
--- a/tpunicorn/_version.py
+++ b/tpunicorn/_version.py
@@ -1,4 +1,4 @@
-__version_info__ = (0, 5, 5)
+__version_info__ = (0, 6, 0, 'rc1')
 __version__ = ".".join(map(str, __version_info__))
 binary_names = ['tpunicorn', 'pu']