diff --git a/setup.py b/setup.py
index 890e48f..6dac4e4 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ _this_dir = os.path.dirname(__file__)
 
 MAJOR = 0
 MINOR = 5
-MICRO = 3
+MICRO = 4
 VERSION = '%d.%d.%d' % (MAJOR, MINOR, MICRO)