diff --git a/pyninja/version.py b/pyninja/version.py
index b1a19e3..5d75f3b 100644
--- a/pyninja/version.py
+++ b/pyninja/version.py
@@ -1 +1 @@
-__version__ = "0.0.5"
+__version__ = "0.0.6a"