diff --git a/rtree/__init__.py b/rtree/__init__.py
index c93eb042..054e2eff 100644
--- a/rtree/__init__.py
+++ b/rtree/__init__.py
@@ -2,4 +2,4 @@
 
 from .core import rt
 
-__version__ = '0.9.3'
+__version__ = '0.9.4'