diff --git a/setup.py b/setup.py
index 1f92019..0d23968 100644
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@
     include_package_data = True,
     packages = find_packages('src'),
     package_dir = {'': 'src'},
-    version='0.9.3rc3',
+    version='0.9.3rc4',
     install_requires=install_requires,
     entry_points={
         'console_scripts': [