diff --git a/immutables/__init__.py b/immutables/__init__.py
index fe1da925c..60a071c1f 100644
--- a/immutables/__init__.py
+++ b/immutables/__init__.py
@@ -8,4 +8,4 @@
 
 
 __all__ = 'Map',
-__version__ = '0.8'
+__version__ = '0.9'